Home / 92,050.92-137,909.52-42,172.74

Finding the Fourth Proportional to 92,050.92, 137,909.52 and 42,172.74

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Solution

The fourth proportional to 92,050.92, 137,909.52 and 42,172.74 is: 63,182.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,050.92 : 137,909.52 = 42,172.74 : x
  2. Step 2: Convert to fraction form
    92,050.92/137,909.52 = 42,172.74/x
  3. Step 3: Cross multiply
    92,050.92x = 137,909.52 × 42,172.74
  4. Step 4: Simplify right side
    92,050.92x = 5,816,022,330.48
  5. Step 5: Solve for x
    x = 5,816,022,330.48/92,050.92
  6. Step 6: Final answer
    x = 63,182.66

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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.