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Finding the Fourth Proportional to 132,350.40, 198,525.60 and 76,363.20

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Solution

The fourth proportional to 132,350.40, 198,525.60 and 76,363.20 is: 114,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,350.40 : 198,525.60 = 76,363.20 : x
  2. Step 2: Convert to fraction form
    132,350.40/198,525.60 = 76,363.20/x
  3. Step 3: Cross multiply
    132,350.40x = 198,525.60 × 76,363.20
  4. Step 4: Simplify right side
    132,350.40x = 15,160,050,097.92
  5. Step 5: Solve for x
    x = 15,160,050,097.92/132,350.40
  6. Step 6: Final answer
    x = 114,544.80

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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.