Home / 156,958.29-235,432.22-68,211.89

Finding the Fourth Proportional to 156,958.29, 235,432.22 and 68,211.89

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Solution

The fourth proportional to 156,958.29, 235,432.22 and 68,211.89 is: 102,315.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,958.29 : 235,432.22 = 68,211.89 : x
  2. Step 2: Convert to fraction form
    156,958.29/235,432.22 = 68,211.89/x
  3. Step 3: Cross multiply
    156,958.29x = 235,432.22 × 68,211.89
  4. Step 4: Simplify right side
    156,958.29x = 16,059,275,174.88
  5. Step 5: Solve for x
    x = 16,059,275,174.88/156,958.29
  6. Step 6: Final answer
    x = 102,315.56

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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.