Home / 177,929.64-266,882.94-67,118.76

Finding the Fourth Proportional to 177,929.64, 266,882.94 and 67,118.76

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Solution

The fourth proportional to 177,929.64, 266,882.94 and 67,118.76 is: 100,673.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,929.64 : 266,882.94 = 67,118.76 : x
  2. Step 2: Convert to fraction form
    177,929.64/266,882.94 = 67,118.76/x
  3. Step 3: Cross multiply
    177,929.64x = 266,882.94 × 67,118.76
  4. Step 4: Simplify right side
    177,929.64x = 17,912,851,997.95
  5. Step 5: Solve for x
    x = 17,912,851,997.95/177,929.64
  6. Step 6: Final answer
    x = 100,673.79

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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.