Home / 177,613.10-266,452.05-72,442.70

Finding the Fourth Proportional to 177,613.10, 266,452.05 and 72,442.70

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Solution

The fourth proportional to 177,613.10, 266,452.05 and 72,442.70 is: 108,677.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,613.10 : 266,452.05 = 72,442.70 : x
  2. Step 2: Convert to fraction form
    177,613.10/266,452.05 = 72,442.70/x
  3. Step 3: Cross multiply
    177,613.10x = 266,452.05 × 72,442.70
  4. Step 4: Simplify right side
    177,613.10x = 19,302,505,922.54
  5. Step 5: Solve for x
    x = 19,302,505,922.54/177,613.10
  6. Step 6: Final answer
    x = 108,677.26

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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.