Home / 126,569.40-189,854.10-119,680.35

Finding the Fourth Proportional to 126,569.40, 189,854.10 and 119,680.35

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Solution

The fourth proportional to 126,569.40, 189,854.10 and 119,680.35 is: 179,520.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,569.40 : 189,854.10 = 119,680.35 : x
  2. Step 2: Convert to fraction form
    126,569.40/189,854.10 = 119,680.35/x
  3. Step 3: Cross multiply
    126,569.40x = 189,854.10 × 119,680.35
  4. Step 4: Simplify right side
    126,569.40x = 22,721,805,136.94
  5. Step 5: Solve for x
    x = 22,721,805,136.94/126,569.40
  6. Step 6: Final answer
    x = 179,520.53

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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.