Home / 232,412.47-320,729.83-129,046.86

Finding the Fourth Proportional to 232,412.47, 320,729.83 and 129,046.86

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Solution

The fourth proportional to 232,412.47, 320,729.83 and 129,046.86 is: 178,085.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,412.47 : 320,729.83 = 129,046.86 : x
  2. Step 2: Convert to fraction form
    232,412.47/320,729.83 = 129,046.86/x
  3. Step 3: Cross multiply
    232,412.47x = 320,729.83 × 129,046.86
  4. Step 4: Simplify right side
    232,412.47x = 41,389,175,833.00
  5. Step 5: Solve for x
    x = 41,389,175,833.00/232,412.47
  6. Step 6: Final answer
    x = 178,085.00

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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.