Home / 177,527.90-266,443.05-72,422.30

Finding the Fourth Proportional to 177,527.90, 266,443.05 and 72,422.30

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Solution

The fourth proportional to 177,527.90, 266,443.05 and 72,422.30 is: 108,695.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,527.90 : 266,443.05 = 72,422.30 : x
  2. Step 2: Convert to fraction form
    177,527.90/266,443.05 = 72,422.30/x
  3. Step 3: Cross multiply
    177,527.90x = 266,443.05 × 72,422.30
  4. Step 4: Simplify right side
    177,527.90x = 19,296,418,500.02
  5. Step 5: Solve for x
    x = 19,296,418,500.02/177,527.90
  6. Step 6: Final answer
    x = 108,695.13

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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.