Home / 156,856.22-235,152.05-68,042.82

Finding the Fourth Proportional to 156,856.22, 235,152.05 and 68,042.82

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Solution

The fourth proportional to 156,856.22, 235,152.05 and 68,042.82 is: 102,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,856.22 : 235,152.05 = 68,042.82 : x
  2. Step 2: Convert to fraction form
    156,856.22/235,152.05 = 68,042.82/x
  3. Step 3: Cross multiply
    156,856.22x = 235,152.05 × 68,042.82
  4. Step 4: Simplify right side
    156,856.22x = 16,000,408,610.78
  5. Step 5: Solve for x
    x = 16,000,408,610.78/156,856.22
  6. Step 6: Final answer
    x = 102,006.85

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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.