Home / 232,058.22-320,234.56-128,691.80

Finding the Fourth Proportional to 232,058.22, 320,234.56 and 128,691.80

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Solution

The fourth proportional to 232,058.22, 320,234.56 and 128,691.80 is: 177,591.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,058.22 : 320,234.56 = 128,691.80 : x
  2. Step 2: Convert to fraction form
    232,058.22/320,234.56 = 128,691.80/x
  3. Step 3: Cross multiply
    232,058.22x = 320,234.56 × 128,691.80
  4. Step 4: Simplify right side
    232,058.22x = 41,211,563,751.80
  5. Step 5: Solve for x
    x = 41,211,563,751.80/232,058.22
  6. Step 6: Final answer
    x = 177,591.49

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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.