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Finding the Fourth Proportional to 104,422.60, 156,633.90 and 100,340.20

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Solution

The fourth proportional to 104,422.60, 156,633.90 and 100,340.20 is: 150,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,422.60 : 156,633.90 = 100,340.20 : x
  2. Step 2: Convert to fraction form
    104,422.60/156,633.90 = 100,340.20/x
  3. Step 3: Cross multiply
    104,422.60x = 156,633.90 × 100,340.20
  4. Step 4: Simplify right side
    104,422.60x = 15,716,676,852.78
  5. Step 5: Solve for x
    x = 15,716,676,852.78/104,422.60
  6. Step 6: Final answer
    x = 150,510.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.