Home / 108,255.20-162,398.88-38,122.08

Finding the Fourth Proportional to 108,255.20, 162,398.88 and 38,122.08

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Solution

The fourth proportional to 108,255.20, 162,398.88 and 38,122.08 is: 57,188.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,255.20 : 162,398.88 = 38,122.08 : x
  2. Step 2: Convert to fraction form
    108,255.20/162,398.88 = 38,122.08/x
  3. Step 3: Cross multiply
    108,255.20x = 162,398.88 × 38,122.08
  4. Step 4: Simplify right side
    108,255.20x = 6,190,983,095.27
  5. Step 5: Solve for x
    x = 6,190,983,095.27/108,255.20
  6. Step 6: Final answer
    x = 57,188.78

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1.5x scale

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.