Home / 129,767.03-179,044.61-76,023.15

Finding the Fourth Proportional to 129,767.03, 179,044.61 and 76,023.15

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Solution

The fourth proportional to 129,767.03, 179,044.61 and 76,023.15 is: 104,892.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,767.03 : 179,044.61 = 76,023.15 : x
  2. Step 2: Convert to fraction form
    129,767.03/179,044.61 = 76,023.15/x
  3. Step 3: Cross multiply
    129,767.03x = 179,044.61 × 76,023.15
  4. Step 4: Simplify right side
    129,767.03x = 13,611,534,862.61
  5. Step 5: Solve for x
    x = 13,611,534,862.61/129,767.03
  6. Step 6: Final answer
    x = 104,892.09

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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.