Home / 177,629.98-266,634.65-76,478.13

Finding the Fourth Proportional to 177,629.98, 266,634.65 and 76,478.13

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Solution

The fourth proportional to 177,629.98, 266,634.65 and 76,478.13 is: 114,798.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,629.98 : 266,634.65 = 76,478.13 : x
  2. Step 2: Convert to fraction form
    177,629.98/266,634.65 = 76,478.13/x
  3. Step 3: Cross multiply
    177,629.98x = 266,634.65 × 76,478.13
  4. Step 4: Simplify right side
    177,629.98x = 20,391,719,425.20
  5. Step 5: Solve for x
    x = 20,391,719,425.20/177,629.98
  6. Step 6: Final answer
    x = 114,798.86

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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.