Home / 129,711.58-194,532.52-49,732.18

Finding the Fourth Proportional to 129,711.58, 194,532.52 and 49,732.18

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Solution

The fourth proportional to 129,711.58, 194,532.52 and 49,732.18 is: 74,584.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,711.58 : 194,532.52 = 49,732.18 : x
  2. Step 2: Convert to fraction form
    129,711.58/194,532.52 = 49,732.18/x
  3. Step 3: Cross multiply
    129,711.58x = 194,532.52 × 49,732.18
  4. Step 4: Simplify right side
    129,711.58x = 9,674,526,300.49
  5. Step 5: Solve for x
    x = 9,674,526,300.49/129,711.58
  6. Step 6: Final answer
    x = 74,584.91

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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.