Home / 156,910.92-236,220.18-142,960.56

Finding the Fourth Proportional to 156,910.92, 236,220.18 and 142,960.56

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Solution

The fourth proportional to 156,910.92, 236,220.18 and 142,960.56 is: 215,218.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,910.92 : 236,220.18 = 142,960.56 : x
  2. Step 2: Convert to fraction form
    156,910.92/236,220.18 = 142,960.56/x
  3. Step 3: Cross multiply
    156,910.92x = 236,220.18 × 142,960.56
  4. Step 4: Simplify right side
    156,910.92x = 33,770,169,216.10
  5. Step 5: Solve for x
    x = 33,770,169,216.10/156,910.92
  6. Step 6: Final answer
    x = 215,218.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.