Home / 99,833.66-137,776.02-54,515.85

Finding the Fourth Proportional to 99,833.66, 137,776.02 and 54,515.85

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Solution

The fourth proportional to 99,833.66, 137,776.02 and 54,515.85 is: 75,234.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,833.66 : 137,776.02 = 54,515.85 : x
  2. Step 2: Convert to fraction form
    99,833.66/137,776.02 = 54,515.85/x
  3. Step 3: Cross multiply
    99,833.66x = 137,776.02 × 54,515.85
  4. Step 4: Simplify right side
    99,833.66x = 7,510,976,839.92
  5. Step 5: Solve for x
    x = 7,510,976,839.92/99,833.66
  6. Step 6: Final answer
    x = 75,234.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.