Home / 232,871.16-321,343.02-137,381.88

Finding the Fourth Proportional to 232,871.16, 321,343.02 and 137,381.88

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Solution

The fourth proportional to 232,871.16, 321,343.02 and 137,381.88 is: 189,575.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,871.16 : 321,343.02 = 137,381.88 : x
  2. Step 2: Convert to fraction form
    232,871.16/321,343.02 = 137,381.88/x
  3. Step 3: Cross multiply
    232,871.16x = 321,343.02 × 137,381.88
  4. Step 4: Simplify right side
    232,871.16x = 44,146,708,212.48
  5. Step 5: Solve for x
    x = 44,146,708,212.48/232,871.16
  6. Step 6: Final answer
    x = 189,575.68

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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.