Home / 129,851.29-179,199.44-75,399.38

Finding the Fourth Proportional to 129,851.29, 179,199.44 and 75,399.38

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Solution

The fourth proportional to 129,851.29, 179,199.44 and 75,399.38 is: 104,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,851.29 : 179,199.44 = 75,399.38 : x
  2. Step 2: Convert to fraction form
    129,851.29/179,199.44 = 75,399.38/x
  3. Step 3: Cross multiply
    129,851.29x = 179,199.44 × 75,399.38
  4. Step 4: Simplify right side
    129,851.29x = 13,511,526,672.35
  5. Step 5: Solve for x
    x = 13,511,526,672.35/129,851.29
  6. Step 6: Final answer
    x = 104,053.85

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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.