Home / 238,503.92-329,131.62-131,071.64

Finding the Fourth Proportional to 238,503.92, 329,131.62 and 131,071.64

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Solution

The fourth proportional to 238,503.92, 329,131.62 and 131,071.64 is: 180,876.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,503.92 : 329,131.62 = 131,071.64 : x
  2. Step 2: Convert to fraction form
    238,503.92/329,131.62 = 131,071.64/x
  3. Step 3: Cross multiply
    238,503.92x = 329,131.62 × 131,071.64
  4. Step 4: Simplify right side
    238,503.92x = 43,139,819,563.60
  5. Step 5: Solve for x
    x = 43,139,819,563.60/238,503.92
  6. Step 6: Final answer
    x = 180,876.78

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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.