Home / 91,545.08-137,339.55-38,207.39

Finding the Fourth Proportional to 91,545.08, 137,339.55 and 38,207.39

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Solution

The fourth proportional to 91,545.08, 137,339.55 and 38,207.39 is: 57,320.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,545.08 : 137,339.55 = 38,207.39 : x
  2. Step 2: Convert to fraction form
    91,545.08/137,339.55 = 38,207.39/x
  3. Step 3: Cross multiply
    91,545.08x = 137,339.55 × 38,207.39
  4. Step 4: Simplify right side
    91,545.08x = 5,247,385,062.58
  5. Step 5: Solve for x
    x = 5,247,385,062.58/91,545.08
  6. Step 6: Final answer
    x = 57,320.23

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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.