Home / 129,292.17-193,958.91-45,076.56

Finding the Fourth Proportional to 129,292.17, 193,958.91 and 45,076.56

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Solution

The fourth proportional to 129,292.17, 193,958.91 and 45,076.56 is: 67,622.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,292.17 : 193,958.91 = 45,076.56 : x
  2. Step 2: Convert to fraction form
    129,292.17/193,958.91 = 45,076.56/x
  3. Step 3: Cross multiply
    129,292.17x = 193,958.91 × 45,076.56
  4. Step 4: Simplify right side
    129,292.17x = 8,743,000,444.15
  5. Step 5: Solve for x
    x = 8,743,000,444.15/129,292.17
  6. Step 6: Final answer
    x = 67,622.04

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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.