Home / 147,617.12-221,427.48-42,437

Finding the Fourth Proportional to 147,617.12, 221,427.48 and 42,437

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Solution

The fourth proportional to 147,617.12, 221,427.48 and 42,437 is: 63,656.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,617.12 : 221,427.48 = 42,437 : x
  2. Step 2: Convert to fraction form
    147,617.12/221,427.48 = 42,437/x
  3. Step 3: Cross multiply
    147,617.12x = 221,427.48 × 42,437
  4. Step 4: Simplify right side
    147,617.12x = 9,396,717,968.76
  5. Step 5: Solve for x
    x = 9,396,717,968.76/147,617.12
  6. Step 6: Final answer
    x = 63,656.02

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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.