Home / 171,966.51-258,091.92-87,788.88

Finding the Fourth Proportional to 171,966.51, 258,091.92 and 87,788.88

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Solution

The fourth proportional to 171,966.51, 258,091.92 and 87,788.88 is: 131,755.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,966.51 : 258,091.92 = 87,788.88 : x
  2. Step 2: Convert to fraction form
    171,966.51/258,091.92 = 87,788.88/x
  3. Step 3: Cross multiply
    171,966.51x = 258,091.92 × 87,788.88
  4. Step 4: Simplify right side
    171,966.51x = 22,657,600,593.85
  5. Step 5: Solve for x
    x = 22,657,600,593.85/171,966.51
  6. Step 6: Final answer
    x = 131,755.89

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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.