Home / 236,655.27-326,581.07-129,229.83

Finding the Fourth Proportional to 236,655.27, 326,581.07 and 129,229.83

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Solution

The fourth proportional to 236,655.27, 326,581.07 and 129,229.83 is: 178,335.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,655.27 : 326,581.07 = 129,229.83 : x
  2. Step 2: Convert to fraction form
    236,655.27/326,581.07 = 129,229.83/x
  3. Step 3: Cross multiply
    236,655.27x = 326,581.07 × 129,229.83
  4. Step 4: Simplify right side
    236,655.27x = 42,204,015,511.17
  5. Step 5: Solve for x
    x = 42,204,015,511.17/236,655.27
  6. Step 6: Final answer
    x = 178,335.41

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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.