Home / 154,493.30-231,567.15-87,965.30

Finding the Fourth Proportional to 154,493.30, 231,567.15 and 87,965.30

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Solution

The fourth proportional to 154,493.30, 231,567.15 and 87,965.30 is: 131,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,493.30 : 231,567.15 = 87,965.30 : x
  2. Step 2: Convert to fraction form
    154,493.30/231,567.15 = 87,965.30/x
  3. Step 3: Cross multiply
    154,493.30x = 231,567.15 × 87,965.30
  4. Step 4: Simplify right side
    154,493.30x = 20,369,873,819.90
  5. Step 5: Solve for x
    x = 20,369,873,819.90/154,493.30
  6. Step 6: Final answer
    x = 131,849.56

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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.