Home / 126,452.88-189,677.91-73,110.90

Finding the Fourth Proportional to 126,452.88, 189,677.91 and 73,110.90

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Solution

The fourth proportional to 126,452.88, 189,677.91 and 73,110.90 is: 109,665.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,452.88 : 189,677.91 = 73,110.90 : x
  2. Step 2: Convert to fraction form
    126,452.88/189,677.91 = 73,110.90/x
  3. Step 3: Cross multiply
    126,452.88x = 189,677.91 × 73,110.90
  4. Step 4: Simplify right side
    126,452.88x = 13,867,522,710.22
  5. Step 5: Solve for x
    x = 13,867,522,710.22/126,452.88
  6. Step 6: Final answer
    x = 109,665.53

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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.