Home / 123,375.36-185,069.64-39,141.92

Finding the Fourth Proportional to 123,375.36, 185,069.64 and 39,141.92

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Solution

The fourth proportional to 123,375.36, 185,069.64 and 39,141.92 is: 58,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,375.36 : 185,069.64 = 39,141.92 : x
  2. Step 2: Convert to fraction form
    123,375.36/185,069.64 = 39,141.92/x
  3. Step 3: Cross multiply
    123,375.36x = 185,069.64 × 39,141.92
  4. Step 4: Simplify right side
    123,375.36x = 7,243,981,043.31
  5. Step 5: Solve for x
    x = 7,243,981,043.31/123,375.36
  6. Step 6: Final answer
    x = 58,714.97

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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.