Home / 102,111.30-153,174.38-27,231.14

Finding the Fourth Proportional to 102,111.30, 153,174.38 and 27,231.14

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Solution

The fourth proportional to 102,111.30, 153,174.38 and 27,231.14 is: 40,848.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,111.30 : 153,174.38 = 27,231.14 : x
  2. Step 2: Convert to fraction form
    102,111.30/153,174.38 = 27,231.14/x
  3. Step 3: Cross multiply
    102,111.30x = 153,174.38 × 27,231.14
  4. Step 4: Simplify right side
    102,111.30x = 4,171,113,232.97
  5. Step 5: Solve for x
    x = 4,171,113,232.97/102,111.30
  6. Step 6: Final answer
    x = 40,848.69

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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.