Home / 742,003.70-1,113,005.55-181,038.20

Finding the Fourth Proportional to 742,003.70, 1,113,005.55 and 181,038.20

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Solution

The fourth proportional to 742,003.70, 1,113,005.55 and 181,038.20 is: 271,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,003.70 : 1,113,005.55 = 181,038.20 : x
  2. Step 2: Convert to fraction form
    742,003.70/1,113,005.55 = 181,038.20/x
  3. Step 3: Cross multiply
    742,003.70x = 1,113,005.55 × 181,038.20
  4. Step 4: Simplify right side
    742,003.70x = 201,496,521,362.01
  5. Step 5: Solve for x
    x = 201,496,521,362.01/742,003.70
  6. Step 6: Final answer
    x = 271,557.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.