Home / 129,157.25-193,744.08-34,385.90

Finding the Fourth Proportional to 129,157.25, 193,744.08 and 34,385.90

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Solution

The fourth proportional to 129,157.25, 193,744.08 and 34,385.90 is: 51,581.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,157.25 : 193,744.08 = 34,385.90 : x
  2. Step 2: Convert to fraction form
    129,157.25/193,744.08 = 34,385.90/x
  3. Step 3: Cross multiply
    129,157.25x = 193,744.08 × 34,385.90
  4. Step 4: Simplify right side
    129,157.25x = 6,662,063,591.75
  5. Step 5: Solve for x
    x = 6,662,063,591.75/129,157.25
  6. Step 6: Final answer
    x = 51,581.03

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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.