Home / 177,451.66-266,112.15-139,574.85

Finding the Fourth Proportional to 177,451.66, 266,112.15 and 139,574.85

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Solution

The fourth proportional to 177,451.66, 266,112.15 and 139,574.85 is: 209,310.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,451.66 : 266,112.15 = 139,574.85 : x
  2. Step 2: Convert to fraction form
    177,451.66/266,112.15 = 139,574.85/x
  3. Step 3: Cross multiply
    177,451.66x = 266,112.15 × 139,574.85
  4. Step 4: Simplify right side
    177,451.66x = 37,142,563,419.43
  5. Step 5: Solve for x
    x = 37,142,563,419.43/177,451.66
  6. Step 6: Final answer
    x = 209,310.88

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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.