Home / 132,149.45-198,222.40-32,310.50

Finding the Fourth Proportional to 132,149.45, 198,222.40 and 32,310.50

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Solution

The fourth proportional to 132,149.45, 198,222.40 and 32,310.50 is: 48,465.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,149.45 : 198,222.40 = 32,310.50 : x
  2. Step 2: Convert to fraction form
    132,149.45/198,222.40 = 32,310.50/x
  3. Step 3: Cross multiply
    132,149.45x = 198,222.40 × 32,310.50
  4. Step 4: Simplify right side
    132,149.45x = 6,404,664,855.20
  5. Step 5: Solve for x
    x = 6,404,664,855.20/132,149.45
  6. Step 6: Final answer
    x = 48,465.32

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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.