Home / 238,832.20-329,580.12-131,401.12

Finding the Fourth Proportional to 238,832.20, 329,580.12 and 131,401.12

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Solution

The fourth proportional to 238,832.20, 329,580.12 and 131,401.12 is: 181,328.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,832.20 : 329,580.12 = 131,401.12 : x
  2. Step 2: Convert to fraction form
    238,832.20/329,580.12 = 131,401.12/x
  3. Step 3: Cross multiply
    238,832.20x = 329,580.12 × 131,401.12
  4. Step 4: Simplify right side
    238,832.20x = 43,307,196,897.73
  5. Step 5: Solve for x
    x = 43,307,196,897.73/238,832.20
  6. Step 6: Final answer
    x = 181,328.97

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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.