Home / 121,542.83-182,291.15-51,471.35

Finding the Fourth Proportional to 121,542.83, 182,291.15 and 51,471.35

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Solution

The fourth proportional to 121,542.83, 182,291.15 and 51,471.35 is: 77,197.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,542.83 : 182,291.15 = 51,471.35 : x
  2. Step 2: Convert to fraction form
    121,542.83/182,291.15 = 51,471.35/x
  3. Step 3: Cross multiply
    121,542.83x = 182,291.15 × 51,471.35
  4. Step 4: Simplify right side
    121,542.83x = 9,382,770,672.10
  5. Step 5: Solve for x
    x = 9,382,770,672.10/121,542.83
  6. Step 6: Final answer
    x = 77,197.24

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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.