Home / 126,118.99-189,001.45-69,046.17

Finding the Fourth Proportional to 126,118.99, 189,001.45 and 69,046.17

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Solution

The fourth proportional to 126,118.99, 189,001.45 and 69,046.17 is: 103,472.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,118.99 : 189,001.45 = 69,046.17 : x
  2. Step 2: Convert to fraction form
    126,118.99/189,001.45 = 69,046.17/x
  3. Step 3: Cross multiply
    126,118.99x = 189,001.45 × 69,046.17
  4. Step 4: Simplify right side
    126,118.99x = 13,049,826,246.95
  5. Step 5: Solve for x
    x = 13,049,826,246.95/126,118.99
  6. Step 6: Final answer
    x = 103,472.33

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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.