Home / 129,532.86-194,177.61-45,241.02

Finding the Fourth Proportional to 129,532.86, 194,177.61 and 45,241.02

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Solution

The fourth proportional to 129,532.86, 194,177.61 and 45,241.02 is: 67,819.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,532.86 : 194,177.61 = 45,241.02 : x
  2. Step 2: Convert to fraction form
    129,532.86/194,177.61 = 45,241.02/x
  3. Step 3: Cross multiply
    129,532.86x = 194,177.61 × 45,241.02
  4. Step 4: Simplify right side
    129,532.86x = 8,784,793,137.56
  5. Step 5: Solve for x
    x = 8,784,793,137.56/129,532.86
  6. Step 6: Final answer
    x = 67,819.03

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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.