Home / 99,694.06-137,500.02-63,887.40

Finding the Fourth Proportional to 99,694.06, 137,500.02 and 63,887.40

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Solution

The fourth proportional to 99,694.06, 137,500.02 and 63,887.40 is: 88,114.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,694.06 : 137,500.02 = 63,887.40 : x
  2. Step 2: Convert to fraction form
    99,694.06/137,500.02 = 63,887.40/x
  3. Step 3: Cross multiply
    99,694.06x = 137,500.02 × 63,887.40
  4. Step 4: Simplify right side
    99,694.06x = 8,784,518,777.75
  5. Step 5: Solve for x
    x = 8,784,518,777.75/99,694.06
  6. Step 6: Final answer
    x = 88,114.77

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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.