Home / 129,432.54-194,069.53-50,454.50

Finding the Fourth Proportional to 129,432.54, 194,069.53 and 50,454.50

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Solution

The fourth proportional to 129,432.54, 194,069.53 and 50,454.50 is: 75,650.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,432.54 : 194,069.53 = 50,454.50 : x
  2. Step 2: Convert to fraction form
    129,432.54/194,069.53 = 50,454.50/x
  3. Step 3: Cross multiply
    129,432.54x = 194,069.53 × 50,454.50
  4. Step 4: Simplify right side
    129,432.54x = 9,791,680,849.11
  5. Step 5: Solve for x
    x = 9,791,680,849.11/129,432.54
  6. Step 6: Final answer
    x = 75,650.84

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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.