Home / 99,549.87-137,379-59,265.02

Finding the Fourth Proportional to 99,549.87, 137,379 and 59,265.02

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Solution

The fourth proportional to 99,549.87, 137,379 and 59,265.02 is: 81,785.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,549.87 : 137,379 = 59,265.02 : x
  2. Step 2: Convert to fraction form
    99,549.87/137,379 = 59,265.02/x
  3. Step 3: Cross multiply
    99,549.87x = 137,379 × 59,265.02
  4. Step 4: Simplify right side
    99,549.87x = 8,141,769,182.58
  5. Step 5: Solve for x
    x = 8,141,769,182.58/99,549.87
  6. Step 6: Final answer
    x = 81,785.83

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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.