Home / 123,640.25-185,458.33-39,399.26

Finding the Fourth Proportional to 123,640.25, 185,458.33 and 39,399.26

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Solution

The fourth proportional to 123,640.25, 185,458.33 and 39,399.26 is: 59,098.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,640.25 : 185,458.33 = 39,399.26 : x
  2. Step 2: Convert to fraction form
    123,640.25/185,458.33 = 39,399.26/x
  3. Step 3: Cross multiply
    123,640.25x = 185,458.33 × 39,399.26
  4. Step 4: Simplify right side
    123,640.25x = 7,306,921,327.98
  5. Step 5: Solve for x
    x = 7,306,921,327.98/123,640.25
  6. Step 6: Final answer
    x = 59,098.24

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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.