Home / 234,163.89-323,143.83-126,731.70

Finding the Fourth Proportional to 234,163.89, 323,143.83 and 126,731.70

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Solution

The fourth proportional to 234,163.89, 323,143.83 and 126,731.70 is: 174,888.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,163.89 : 323,143.83 = 126,731.70 : x
  2. Step 2: Convert to fraction form
    234,163.89/323,143.83 = 126,731.70/x
  3. Step 3: Cross multiply
    234,163.89x = 323,143.83 × 126,731.70
  4. Step 4: Simplify right side
    234,163.89x = 40,952,566,920.41
  5. Step 5: Solve for x
    x = 40,952,566,920.41/234,163.89
  6. Step 6: Final answer
    x = 174,888.48

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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.