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Finding the Fourth Proportional to 132,353.60, 198,530.40 and 102,862.40

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Solution

The fourth proportional to 132,353.60, 198,530.40 and 102,862.40 is: 154,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,353.60 : 198,530.40 = 102,862.40 : x
  2. Step 2: Convert to fraction form
    132,353.60/198,530.40 = 102,862.40/x
  3. Step 3: Cross multiply
    132,353.60x = 198,530.40 × 102,862.40
  4. Step 4: Simplify right side
    132,353.60x = 20,421,313,416.96
  5. Step 5: Solve for x
    x = 20,421,313,416.96/132,353.60
  6. Step 6: Final answer
    x = 154,293.60

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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.