Home / 102,207.34-141,028.59-93,939.43

Finding the Fourth Proportional to 102,207.34, 141,028.59 and 93,939.43

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Solution

The fourth proportional to 102,207.34, 141,028.59 and 93,939.43 is: 129,620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,207.34 : 141,028.59 = 93,939.43 : x
  2. Step 2: Convert to fraction form
    102,207.34/141,028.59 = 93,939.43/x
  3. Step 3: Cross multiply
    102,207.34x = 141,028.59 × 93,939.43
  4. Step 4: Simplify right side
    102,207.34x = 13,248,145,358.30
  5. Step 5: Solve for x
    x = 13,248,145,358.30/102,207.34
  6. Step 6: Final answer
    x = 129,620.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.