Home / 129,747.80-194,621.70-73,566.20

Finding the Fourth Proportional to 129,747.80, 194,621.70 and 73,566.20

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Solution

The fourth proportional to 129,747.80, 194,621.70 and 73,566.20 is: 110,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,747.80 : 194,621.70 = 73,566.20 : x
  2. Step 2: Convert to fraction form
    129,747.80/194,621.70 = 73,566.20/x
  3. Step 3: Cross multiply
    129,747.80x = 194,621.70 × 73,566.20
  4. Step 4: Simplify right side
    129,747.80x = 14,317,578,906.54
  5. Step 5: Solve for x
    x = 14,317,578,906.54/129,747.80
  6. Step 6: Final answer
    x = 110,349.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.