Home / 126,115.56-188,760.20-69,102.52

Finding the Fourth Proportional to 126,115.56, 188,760.20 and 69,102.52

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Solution

The fourth proportional to 126,115.56, 188,760.20 and 69,102.52 is: 103,427.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,115.56 : 188,760.20 = 69,102.52 : x
  2. Step 2: Convert to fraction form
    126,115.56/188,760.20 = 69,102.52/x
  3. Step 3: Cross multiply
    126,115.56x = 188,760.20 × 69,102.52
  4. Step 4: Simplify right side
    126,115.56x = 13,043,805,150.19
  5. Step 5: Solve for x
    x = 13,043,805,150.19/126,115.56
  6. Step 6: Final answer
    x = 103,427.41

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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.