Home / 132,344.40-198,516.60-79,856.40

Finding the Fourth Proportional to 132,344.40, 198,516.60 and 79,856.40

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Solution

The fourth proportional to 132,344.40, 198,516.60 and 79,856.40 is: 119,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,344.40 : 198,516.60 = 79,856.40 : x
  2. Step 2: Convert to fraction form
    132,344.40/198,516.60 = 79,856.40/x
  3. Step 3: Cross multiply
    132,344.40x = 198,516.60 × 79,856.40
  4. Step 4: Simplify right side
    132,344.40x = 15,852,821,016.24
  5. Step 5: Solve for x
    x = 15,852,821,016.24/132,344.40
  6. Step 6: Final answer
    x = 119,784.60

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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.