Home / 99,445.96-137,180.10-75,534.76

Finding the Fourth Proportional to 99,445.96, 137,180.10 and 75,534.76

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Solution

The fourth proportional to 99,445.96, 137,180.10 and 75,534.76 is: 104,195.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,445.96 : 137,180.10 = 75,534.76 : x
  2. Step 2: Convert to fraction form
    99,445.96/137,180.10 = 75,534.76/x
  3. Step 3: Cross multiply
    99,445.96x = 137,180.10 × 75,534.76
  4. Step 4: Simplify right side
    99,445.96x = 10,361,865,930.28
  5. Step 5: Solve for x
    x = 10,361,865,930.28/99,445.96
  6. Step 6: Final answer
    x = 104,195.95

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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.