Home / 138,501.41-207,715.14-38,644.04

Finding the Fourth Proportional to 138,501.41, 207,715.14 and 38,644.04

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Solution

The fourth proportional to 138,501.41, 207,715.14 and 38,644.04 is: 57,955.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,501.41 : 207,715.14 = 38,644.04 : x
  2. Step 2: Convert to fraction form
    138,501.41/207,715.14 = 38,644.04/x
  3. Step 3: Cross multiply
    138,501.41x = 207,715.14 × 38,644.04
  4. Step 4: Simplify right side
    138,501.41x = 8,026,951,140.19
  5. Step 5: Solve for x
    x = 8,026,951,140.19/138,501.41
  6. Step 6: Final answer
    x = 57,955.74

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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.