Home / 132,520.20-198,722.70-39,006.60

Finding the Fourth Proportional to 132,520.20, 198,722.70 and 39,006.60

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Solution

The fourth proportional to 132,520.20, 198,722.70 and 39,006.60 is: 58,492.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,520.20 : 198,722.70 = 39,006.60 : x
  2. Step 2: Convert to fraction form
    132,520.20/198,722.70 = 39,006.60/x
  3. Step 3: Cross multiply
    132,520.20x = 198,722.70 × 39,006.60
  4. Step 4: Simplify right side
    132,520.20x = 7,751,496,869.82
  5. Step 5: Solve for x
    x = 7,751,496,869.82/132,520.20
  6. Step 6: Final answer
    x = 58,492.95

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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.