Home / 129,972.52-194,975.21-44,600

Finding the Fourth Proportional to 129,972.52, 194,975.21 and 44,600

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Solution

The fourth proportional to 129,972.52, 194,975.21 and 44,600 is: 66,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,972.52 : 194,975.21 = 44,600 : x
  2. Step 2: Convert to fraction form
    129,972.52/194,975.21 = 44,600/x
  3. Step 3: Cross multiply
    129,972.52x = 194,975.21 × 44,600
  4. Step 4: Simplify right side
    129,972.52x = 8,695,894,143
  5. Step 5: Solve for x
    x = 8,695,894,143/129,972.52
  6. Step 6: Final answer
    x = 66,905.64

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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.