Home / 177,523.90-266,437.05-72,418.30

Finding the Fourth Proportional to 177,523.90, 266,437.05 and 72,418.30

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Solution

The fourth proportional to 177,523.90, 266,437.05 and 72,418.30 is: 108,689.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,523.90 : 266,437.05 = 72,418.30 : x
  2. Step 2: Convert to fraction form
    177,523.90/266,437.05 = 72,418.30/x
  3. Step 3: Cross multiply
    177,523.90x = 266,437.05 × 72,418.30
  4. Step 4: Simplify right side
    177,523.90x = 19,294,918,218.02
  5. Step 5: Solve for x
    x = 19,294,918,218.02/177,523.90
  6. Step 6: Final answer
    x = 108,689.13

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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.