Home / 132,318.70-198,478.05-92,920.30

Finding the Fourth Proportional to 132,318.70, 198,478.05 and 92,920.30

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Solution

The fourth proportional to 132,318.70, 198,478.05 and 92,920.30 is: 139,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,318.70 : 198,478.05 = 92,920.30 : x
  2. Step 2: Convert to fraction form
    132,318.70/198,478.05 = 92,920.30/x
  3. Step 3: Cross multiply
    132,318.70x = 198,478.05 × 92,920.30
  4. Step 4: Simplify right side
    132,318.70x = 18,442,639,949.42
  5. Step 5: Solve for x
    x = 18,442,639,949.42/132,318.70
  6. Step 6: Final answer
    x = 139,380.45

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1.5x scale

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.