Home / 126,115.90-174,039.76-69,527.28

Finding the Fourth Proportional to 126,115.90, 174,039.76 and 69,527.28

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Solution

The fourth proportional to 126,115.90, 174,039.76 and 69,527.28 is: 95,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,115.90 : 174,039.76 = 69,527.28 : x
  2. Step 2: Convert to fraction form
    126,115.90/174,039.76 = 69,527.28/x
  3. Step 3: Cross multiply
    126,115.90x = 174,039.76 × 69,527.28
  4. Step 4: Simplify right side
    126,115.90x = 12,100,511,124.65
  5. Step 5: Solve for x
    x = 12,100,511,124.65/126,115.90
  6. Step 6: Final answer
    x = 95,947.55

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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.