Home / 156,552.70-234,636.60-72,195.76

Finding the Fourth Proportional to 156,552.70, 234,636.60 and 72,195.76

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Solution

The fourth proportional to 156,552.70, 234,636.60 and 72,195.76 is: 108,204.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,552.70 : 234,636.60 = 72,195.76 : x
  2. Step 2: Convert to fraction form
    156,552.70/234,636.60 = 72,195.76/x
  3. Step 3: Cross multiply
    156,552.70x = 234,636.60 × 72,195.76
  4. Step 4: Simplify right side
    156,552.70x = 16,939,766,498.91
  5. Step 5: Solve for x
    x = 16,939,766,498.91/156,552.70
  6. Step 6: Final answer
    x = 108,204.88

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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.