Home / 238,821.20-329,560.16-131,373.76

Finding the Fourth Proportional to 238,821.20, 329,560.16 and 131,373.76

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Solution

The fourth proportional to 238,821.20, 329,560.16 and 131,373.76 is: 181,288.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,821.20 : 329,560.16 = 131,373.76 : x
  2. Step 2: Convert to fraction form
    238,821.20/329,560.16 = 131,373.76/x
  3. Step 3: Cross multiply
    238,821.20x = 329,560.16 × 131,373.76
  4. Step 4: Simplify right side
    238,821.20x = 43,295,557,365.40
  5. Step 5: Solve for x
    x = 43,295,557,365.40/238,821.20
  6. Step 6: Final answer
    x = 181,288.58

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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.