Home / 92,001.30-137,856.15-68,381.70

Finding the Fourth Proportional to 92,001.30, 137,856.15 and 68,381.70

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Solution

The fourth proportional to 92,001.30, 137,856.15 and 68,381.70 is: 102,464.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,001.30 : 137,856.15 = 68,381.70 : x
  2. Step 2: Convert to fraction form
    92,001.30/137,856.15 = 68,381.70/x
  3. Step 3: Cross multiply
    92,001.30x = 137,856.15 × 68,381.70
  4. Step 4: Simplify right side
    92,001.30x = 9,426,837,892.46
  5. Step 5: Solve for x
    x = 9,426,837,892.46/92,001.30
  6. Step 6: Final answer
    x = 102,464.18

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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.