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Finding the Fourth Proportional to 162,763.20, 224,611.20 and 99,100.80

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Solution

The fourth proportional to 162,763.20, 224,611.20 and 99,100.80 is: 136,757.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,763.20 : 224,611.20 = 99,100.80 : x
  2. Step 2: Convert to fraction form
    162,763.20/224,611.20 = 99,100.80/x
  3. Step 3: Cross multiply
    162,763.20x = 224,611.20 × 99,100.80
  4. Step 4: Simplify right side
    162,763.20x = 22,259,149,608.96
  5. Step 5: Solve for x
    x = 22,259,149,608.96/162,763.20
  6. Step 6: Final answer
    x = 136,757.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.