Home / 126,151.20-174,080.64-69,562.56

Finding the Fourth Proportional to 126,151.20, 174,080.64 and 69,562.56

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Solution

The fourth proportional to 126,151.20, 174,080.64 and 69,562.56 is: 95,991.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,151.20 : 174,080.64 = 69,562.56 : x
  2. Step 2: Convert to fraction form
    126,151.20/174,080.64 = 69,562.56/x
  3. Step 3: Cross multiply
    126,151.20x = 174,080.64 × 69,562.56
  4. Step 4: Simplify right side
    126,151.20x = 12,109,494,964.84
  5. Step 5: Solve for x
    x = 12,109,494,964.84/126,151.20
  6. Step 6: Final answer
    x = 95,991.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.