Home / 91,831.80-137,517.30-60,497.40

Finding the Fourth Proportional to 91,831.80, 137,517.30 and 60,497.40

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Solution

The fourth proportional to 91,831.80, 137,517.30 and 60,497.40 is: 90,594.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,831.80 : 137,517.30 = 60,497.40 : x
  2. Step 2: Convert to fraction form
    91,831.80/137,517.30 = 60,497.40/x
  3. Step 3: Cross multiply
    91,831.80x = 137,517.30 × 60,497.40
  4. Step 4: Simplify right side
    91,831.80x = 8,319,439,105.02
  5. Step 5: Solve for x
    x = 8,319,439,105.02/91,831.80
  6. Step 6: Final answer
    x = 90,594.32

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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.