Home / 99,538.08-149,261.76-43,375.92

Finding the Fourth Proportional to 99,538.08, 149,261.76 and 43,375.92

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Solution

The fourth proportional to 99,538.08, 149,261.76 and 43,375.92 is: 65,044.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,538.08 : 149,261.76 = 43,375.92 : x
  2. Step 2: Convert to fraction form
    99,538.08/149,261.76 = 43,375.92/x
  3. Step 3: Cross multiply
    99,538.08x = 149,261.76 × 43,375.92
  4. Step 4: Simplify right side
    99,538.08x = 6,474,366,160.82
  5. Step 5: Solve for x
    x = 6,474,366,160.82/99,538.08
  6. Step 6: Final answer
    x = 65,044.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.