Home / 108,634.08-162,951.84-42,081.60

Finding the Fourth Proportional to 108,634.08, 162,951.84 and 42,081.60

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Solution

The fourth proportional to 108,634.08, 162,951.84 and 42,081.60 is: 63,122.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,634.08 : 162,951.84 = 42,081.60 : x
  2. Step 2: Convert to fraction form
    108,634.08/162,951.84 = 42,081.60/x
  3. Step 3: Cross multiply
    108,634.08x = 162,951.84 × 42,081.60
  4. Step 4: Simplify right side
    108,634.08x = 6,857,274,150.14
  5. Step 5: Solve for x
    x = 6,857,274,150.14/108,634.08
  6. Step 6: Final answer
    x = 63,122.68

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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.