Home / 83,452.76-125,179.23-21,123.26

Finding the Fourth Proportional to 83,452.76, 125,179.23 and 21,123.26

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Solution

The fourth proportional to 83,452.76, 125,179.23 and 21,123.26 is: 31,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,452.76 : 125,179.23 = 21,123.26 : x
  2. Step 2: Convert to fraction form
    83,452.76/125,179.23 = 21,123.26/x
  3. Step 3: Cross multiply
    83,452.76x = 125,179.23 × 21,123.26
  4. Step 4: Simplify right side
    83,452.76x = 2,644,193,421.89
  5. Step 5: Solve for x
    x = 2,644,193,421.89/83,452.76
  6. Step 6: Final answer
    x = 31,684.91

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1.5x scale

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.