Home / 165,213.10-247,819.65-156,683.80

Finding the Fourth Proportional to 165,213.10, 247,819.65 and 156,683.80

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Solution

The fourth proportional to 165,213.10, 247,819.65 and 156,683.80 is: 235,025.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,213.10 : 247,819.65 = 156,683.80 : x
  2. Step 2: Convert to fraction form
    165,213.10/247,819.65 = 156,683.80/x
  3. Step 3: Cross multiply
    165,213.10x = 247,819.65 × 156,683.80
  4. Step 4: Simplify right side
    165,213.10x = 38,829,324,476.67
  5. Step 5: Solve for x
    x = 38,829,324,476.67/165,213.10
  6. Step 6: Final answer
    x = 235,025.70

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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.