Home / 91,565.30-137,117.55-60,230.90

Finding the Fourth Proportional to 91,565.30, 137,117.55 and 60,230.90

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Solution

The fourth proportional to 91,565.30, 137,117.55 and 60,230.90 is: 90,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,565.30 : 137,117.55 = 60,230.90 : x
  2. Step 2: Convert to fraction form
    91,565.30/137,117.55 = 60,230.90/x
  3. Step 3: Cross multiply
    91,565.30x = 137,117.55 × 60,230.90
  4. Step 4: Simplify right side
    91,565.30x = 8,258,713,442.30
  5. Step 5: Solve for x
    x = 8,258,713,442.30/91,565.30
  6. Step 6: Final answer
    x = 90,194.79

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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.