Home / 99,695.43-137,544.95-63,905.18

Finding the Fourth Proportional to 99,695.43, 137,544.95 and 63,905.18

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Solution

The fourth proportional to 99,695.43, 137,544.95 and 63,905.18 is: 88,166.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,695.43 : 137,544.95 = 63,905.18 : x
  2. Step 2: Convert to fraction form
    99,695.43/137,544.95 = 63,905.18/x
  3. Step 3: Cross multiply
    99,695.43x = 137,544.95 × 63,905.18
  4. Step 4: Simplify right side
    99,695.43x = 8,789,834,259.88
  5. Step 5: Solve for x
    x = 8,789,834,259.88/99,695.43
  6. Step 6: Final answer
    x = 88,166.87

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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.