Home / 126,115.47-174,040.56-69,528.87

Finding the Fourth Proportional to 126,115.47, 174,040.56 and 69,528.87

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Solution

The fourth proportional to 126,115.47, 174,040.56 and 69,528.87 is: 95,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,115.47 : 174,040.56 = 69,528.87 : x
  2. Step 2: Convert to fraction form
    126,115.47/174,040.56 = 69,528.87/x
  3. Step 3: Cross multiply
    126,115.47x = 174,040.56 × 69,528.87
  4. Step 4: Simplify right side
    126,115.47x = 12,100,843,470.97
  5. Step 5: Solve for x
    x = 12,100,843,470.97/126,115.47
  6. Step 6: Final answer
    x = 95,950.51

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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.