Home / 232,862.12-321,376.38-129,506.62

Finding the Fourth Proportional to 232,862.12, 321,376.38 and 129,506.62

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Solution

The fourth proportional to 232,862.12, 321,376.38 and 129,506.62 is: 178,733.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,862.12 : 321,376.38 = 129,506.62 : x
  2. Step 2: Convert to fraction form
    232,862.12/321,376.38 = 129,506.62/x
  3. Step 3: Cross multiply
    232,862.12x = 321,376.38 × 129,506.62
  4. Step 4: Simplify right side
    232,862.12x = 41,620,370,031.71
  5. Step 5: Solve for x
    x = 41,620,370,031.71/232,862.12
  6. Step 6: Final answer
    x = 178,733.97

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1.5x scale

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.