Home / 156,968.52-235,447.49-68,222.04

Finding the Fourth Proportional to 156,968.52, 235,447.49 and 68,222.04

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Solution

The fourth proportional to 156,968.52, 235,447.49 and 68,222.04 is: 102,330.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,968.52 : 235,447.49 = 68,222.04 : x
  2. Step 2: Convert to fraction form
    156,968.52/235,447.49 = 68,222.04/x
  3. Step 3: Cross multiply
    156,968.52x = 235,447.49 × 68,222.04
  4. Step 4: Simplify right side
    156,968.52x = 16,062,708,080.68
  5. Step 5: Solve for x
    x = 16,062,708,080.68/156,968.52
  6. Step 6: Final answer
    x = 102,330.76

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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.