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Finding the Fourth Proportional to 162,874.20, 244,311.30 and 136,630.20

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Solution

The fourth proportional to 162,874.20, 244,311.30 and 136,630.20 is: 204,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,874.20 : 244,311.30 = 136,630.20 : x
  2. Step 2: Convert to fraction form
    162,874.20/244,311.30 = 136,630.20/x
  3. Step 3: Cross multiply
    162,874.20x = 244,311.30 × 136,630.20
  4. Step 4: Simplify right side
    162,874.20x = 33,380,301,781.26
  5. Step 5: Solve for x
    x = 33,380,301,781.26/162,874.20
  6. Step 6: Final answer
    x = 204,945.30

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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.