Home / 129,767.28-179,044.95-76,023.39

Finding the Fourth Proportional to 129,767.28, 179,044.95 and 76,023.39

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Solution

The fourth proportional to 129,767.28, 179,044.95 and 76,023.39 is: 104,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,767.28 : 179,044.95 = 76,023.39 : x
  2. Step 2: Convert to fraction form
    129,767.28/179,044.95 = 76,023.39/x
  3. Step 3: Cross multiply
    129,767.28x = 179,044.95 × 76,023.39
  4. Step 4: Simplify right side
    129,767.28x = 13,611,604,061.38
  5. Step 5: Solve for x
    x = 13,611,604,061.38/129,767.28
  6. Step 6: Final answer
    x = 104,892.42

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1.5x scale

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.