Home / 132,222.87-198,348.39-42,234.12

Finding the Fourth Proportional to 132,222.87, 198,348.39 and 42,234.12

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Solution

The fourth proportional to 132,222.87, 198,348.39 and 42,234.12 is: 63,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,222.87 : 198,348.39 = 42,234.12 : x
  2. Step 2: Convert to fraction form
    132,222.87/198,348.39 = 42,234.12/x
  3. Step 3: Cross multiply
    132,222.87x = 198,348.39 × 42,234.12
  4. Step 4: Simplify right side
    132,222.87x = 8,377,069,705.07
  5. Step 5: Solve for x
    x = 8,377,069,705.07/132,222.87
  6. Step 6: Final answer
    x = 63,355.68

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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.