Home / 129,853.29-179,202.20-75,401.38

Finding the Fourth Proportional to 129,853.29, 179,202.20 and 75,401.38

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Solution

The fourth proportional to 129,853.29, 179,202.20 and 75,401.38 is: 104,056.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,853.29 : 179,202.20 = 75,401.38 : x
  2. Step 2: Convert to fraction form
    129,853.29/179,202.20 = 75,401.38/x
  3. Step 3: Cross multiply
    129,853.29x = 179,202.20 × 75,401.38
  4. Step 4: Simplify right side
    129,853.29x = 13,512,093,179.04
  5. Step 5: Solve for x
    x = 13,512,093,179.04/129,853.29
  6. Step 6: Final answer
    x = 104,056.61

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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.