Home / 127,124.38-175,358.73-79,294.66

Finding the Fourth Proportional to 127,124.38, 175,358.73 and 79,294.66

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Solution

The fourth proportional to 127,124.38, 175,358.73 and 79,294.66 is: 109,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,124.38 : 175,358.73 = 79,294.66 : x
  2. Step 2: Convert to fraction form
    127,124.38/175,358.73 = 79,294.66/x
  3. Step 3: Cross multiply
    127,124.38x = 175,358.73 × 79,294.66
  4. Step 4: Simplify right side
    127,124.38x = 13,905,010,873.38
  5. Step 5: Solve for x
    x = 13,905,010,873.38/127,124.38
  6. Step 6: Final answer
    x = 109,381.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.