Home / 108,512.26-162,873.60-52,391.95

Finding the Fourth Proportional to 108,512.26, 162,873.60 and 52,391.95

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Solution

The fourth proportional to 108,512.26, 162,873.60 and 52,391.95 is: 78,638.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,512.26 : 162,873.60 = 52,391.95 : x
  2. Step 2: Convert to fraction form
    108,512.26/162,873.60 = 52,391.95/x
  3. Step 3: Cross multiply
    108,512.26x = 162,873.60 × 52,391.95
  4. Step 4: Simplify right side
    108,512.26x = 8,533,265,507.52
  5. Step 5: Solve for x
    x = 8,533,265,507.52/108,512.26
  6. Step 6: Final answer
    x = 78,638.72

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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.