Home / 232,187.85-320,396.85-130,217.49

Finding the Fourth Proportional to 232,187.85, 320,396.85 and 130,217.49

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Solution

The fourth proportional to 232,187.85, 320,396.85 and 130,217.49 is: 179,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,187.85 : 320,396.85 = 130,217.49 : x
  2. Step 2: Convert to fraction form
    232,187.85/320,396.85 = 130,217.49/x
  3. Step 3: Cross multiply
    232,187.85x = 320,396.85 × 130,217.49
  4. Step 4: Simplify right side
    232,187.85x = 41,721,273,610.91
  5. Step 5: Solve for x
    x = 41,721,273,610.91/232,187.85
  6. Step 6: Final answer
    x = 179,687.58

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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.