Home / 99,855.24-137,801.33-54,534.55

Finding the Fourth Proportional to 99,855.24, 137,801.33 and 54,534.55

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Solution

The fourth proportional to 99,855.24, 137,801.33 and 54,534.55 is: 75,258.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,855.24 : 137,801.33 = 54,534.55 : x
  2. Step 2: Convert to fraction form
    99,855.24/137,801.33 = 54,534.55/x
  3. Step 3: Cross multiply
    99,855.24x = 137,801.33 × 54,534.55
  4. Step 4: Simplify right side
    99,855.24x = 7,514,933,520.95
  5. Step 5: Solve for x
    x = 7,514,933,520.95/99,855.24
  6. Step 6: Final answer
    x = 75,258.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.