Home / 238,687.41-329,391.05-131,258.24

Finding the Fourth Proportional to 238,687.41, 329,391.05 and 131,258.24

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Solution

The fourth proportional to 238,687.41, 329,391.05 and 131,258.24 is: 181,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,687.41 : 329,391.05 = 131,258.24 : x
  2. Step 2: Convert to fraction form
    238,687.41/329,391.05 = 131,258.24/x
  3. Step 3: Cross multiply
    238,687.41x = 329,391.05 × 131,258.24
  4. Step 4: Simplify right side
    238,687.41x = 43,235,289,494.75
  5. Step 5: Solve for x
    x = 43,235,289,494.75/238,687.41
  6. Step 6: Final answer
    x = 181,137.70

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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.