Home / 129,912.47-194,711.75-63,252.71

Finding the Fourth Proportional to 129,912.47, 194,711.75 and 63,252.71

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Solution

The fourth proportional to 129,912.47, 194,711.75 and 63,252.71 is: 94,802.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,912.47 : 194,711.75 = 63,252.71 : x
  2. Step 2: Convert to fraction form
    129,912.47/194,711.75 = 63,252.71/x
  3. Step 3: Cross multiply
    129,912.47x = 194,711.75 × 63,252.71
  4. Step 4: Simplify right side
    129,912.47x = 12,316,045,540.08
  5. Step 5: Solve for x
    x = 12,316,045,540.08/129,912.47
  6. Step 6: Final answer
    x = 94,802.64

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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.