Home / 91,856.10-137,822.55-29,545.70

Finding the Fourth Proportional to 91,856.10, 137,822.55 and 29,545.70

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Solution

The fourth proportional to 91,856.10, 137,822.55 and 29,545.70 is: 44,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,856.10 : 137,822.55 = 29,545.70 : x
  2. Step 2: Convert to fraction form
    91,856.10/137,822.55 = 29,545.70/x
  3. Step 3: Cross multiply
    91,856.10x = 137,822.55 × 29,545.70
  4. Step 4: Simplify right side
    91,856.10x = 4,072,063,715.54
  5. Step 5: Solve for x
    x = 4,072,063,715.54/91,856.10
  6. Step 6: Final answer
    x = 44,330.90

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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.