Home / 123,550.44-185,530.68-77,098.56

Finding the Fourth Proportional to 123,550.44, 185,530.68 and 77,098.56

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Solution

The fourth proportional to 123,550.44, 185,530.68 and 77,098.56 is: 115,775.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,550.44 : 185,530.68 = 77,098.56 : x
  2. Step 2: Convert to fraction form
    123,550.44/185,530.68 = 77,098.56/x
  3. Step 3: Cross multiply
    123,550.44x = 185,530.68 × 77,098.56
  4. Step 4: Simplify right side
    123,550.44x = 14,304,148,263.82
  5. Step 5: Solve for x
    x = 14,304,148,263.82/123,550.44
  6. Step 6: Final answer
    x = 115,775.78

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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.