Home / 87,906.16-131,848.31-28,736.88

Finding the Fourth Proportional to 87,906.16, 131,848.31 and 28,736.88

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Solution

The fourth proportional to 87,906.16, 131,848.31 and 28,736.88 is: 43,101.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,906.16 : 131,848.31 = 28,736.88 : x
  2. Step 2: Convert to fraction form
    87,906.16/131,848.31 = 28,736.88/x
  3. Step 3: Cross multiply
    87,906.16x = 131,848.31 × 28,736.88
  4. Step 4: Simplify right side
    87,906.16x = 3,788,908,478.44
  5. Step 5: Solve for x
    x = 3,788,908,478.44/87,906.16
  6. Step 6: Final answer
    x = 43,101.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.