Home / 177,720.85-266,581.23-71,152.75

Finding the Fourth Proportional to 177,720.85, 266,581.23 and 71,152.75

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Solution

The fourth proportional to 177,720.85, 266,581.23 and 71,152.75 is: 106,729.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,720.85 : 266,581.23 = 71,152.75 : x
  2. Step 2: Convert to fraction form
    177,720.85/266,581.23 = 71,152.75/x
  3. Step 3: Cross multiply
    177,720.85x = 266,581.23 × 71,152.75
  4. Step 4: Simplify right side
    177,720.85x = 18,967,987,612.88
  5. Step 5: Solve for x
    x = 18,967,987,612.88/177,720.85
  6. Step 6: Final answer
    x = 106,729.11

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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.