Home / 99,883.42-137,833.85-54,560.75

Finding the Fourth Proportional to 99,883.42, 137,833.85 and 54,560.75

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Solution

The fourth proportional to 99,883.42, 137,833.85 and 54,560.75 is: 75,290.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,883.42 : 137,833.85 = 54,560.75 : x
  2. Step 2: Convert to fraction form
    99,883.42/137,833.85 = 54,560.75/x
  3. Step 3: Cross multiply
    99,883.42x = 137,833.85 × 54,560.75
  4. Step 4: Simplify right side
    99,883.42x = 7,520,317,678.62
  5. Step 5: Solve for x
    x = 7,520,317,678.62/99,883.42
  6. Step 6: Final answer
    x = 75,290.95

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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.