Home / 99,651.20-137,440.94-63,844.61

Finding the Fourth Proportional to 99,651.20, 137,440.94 and 63,844.61

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Solution

The fourth proportional to 99,651.20, 137,440.94 and 63,844.61 is: 88,055.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,651.20 : 137,440.94 = 63,844.61 : x
  2. Step 2: Convert to fraction form
    99,651.20/137,440.94 = 63,844.61/x
  3. Step 3: Cross multiply
    99,651.20x = 137,440.94 × 63,844.61
  4. Step 4: Simplify right side
    99,651.20x = 8,774,862,205.91
  5. Step 5: Solve for x
    x = 8,774,862,205.91/99,651.20
  6. Step 6: Final answer
    x = 88,055.76

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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.