Home / 156,822.60-234,845.10-125,718.60

Finding the Fourth Proportional to 156,822.60, 234,845.10 and 125,718.60

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Solution

The fourth proportional to 156,822.60, 234,845.10 and 125,718.60 is: 188,266.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,822.60 : 234,845.10 = 125,718.60 : x
  2. Step 2: Convert to fraction form
    156,822.60/234,845.10 = 125,718.60/x
  3. Step 3: Cross multiply
    156,822.60x = 234,845.10 × 125,718.60
  4. Step 4: Simplify right side
    156,822.60x = 29,524,397,188.86
  5. Step 5: Solve for x
    x = 29,524,397,188.86/156,822.60
  6. Step 6: Final answer
    x = 188,266.21

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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.