Home / 232,680.40-321,129.20-142,017.52

Finding the Fourth Proportional to 232,680.40, 321,129.20 and 142,017.52

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Solution

The fourth proportional to 232,680.40, 321,129.20 and 142,017.52 is: 196,002.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,680.40 : 321,129.20 = 142,017.52 : x
  2. Step 2: Convert to fraction form
    232,680.40/321,129.20 = 142,017.52/x
  3. Step 3: Cross multiply
    232,680.40x = 321,129.20 × 142,017.52
  4. Step 4: Simplify right side
    232,680.40x = 45,605,972,583.58
  5. Step 5: Solve for x
    x = 45,605,972,583.58/232,680.40
  6. Step 6: Final answer
    x = 196,002.64

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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.