Home / 129,965.02-179,331.48-73,375.18

Finding the Fourth Proportional to 129,965.02, 179,331.48 and 73,375.18

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Solution

The fourth proportional to 129,965.02, 179,331.48 and 73,375.18 is: 101,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,965.02 : 179,331.48 = 73,375.18 : x
  2. Step 2: Convert to fraction form
    129,965.02/179,331.48 = 73,375.18/x
  3. Step 3: Cross multiply
    129,965.02x = 179,331.48 × 73,375.18
  4. Step 4: Simplify right side
    129,965.02x = 13,158,479,624.67
  5. Step 5: Solve for x
    x = 13,158,479,624.67/129,965.02
  6. Step 6: Final answer
    x = 101,246.32

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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.