Home / 123,772.08-185,691.52-57,157.68

Finding the Fourth Proportional to 123,772.08, 185,691.52 and 57,157.68

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Solution

The fourth proportional to 123,772.08, 185,691.52 and 57,157.68 is: 85,751.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,772.08 : 185,691.52 = 57,157.68 : x
  2. Step 2: Convert to fraction form
    123,772.08/185,691.52 = 57,157.68/x
  3. Step 3: Cross multiply
    123,772.08x = 185,691.52 × 57,157.68
  4. Step 4: Simplify right side
    123,772.08x = 10,613,696,478.87
  5. Step 5: Solve for x
    x = 10,613,696,478.87/123,772.08
  6. Step 6: Final answer
    x = 85,751.94

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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.