Home / 198,146.10-296,711.69-109,300.85

Finding the Fourth Proportional to 198,146.10, 296,711.69 and 109,300.85

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Solution

The fourth proportional to 198,146.10, 296,711.69 and 109,300.85 is: 163,671.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,146.10 : 296,711.69 = 109,300.85 : x
  2. Step 2: Convert to fraction form
    198,146.10/296,711.69 = 109,300.85/x
  3. Step 3: Cross multiply
    198,146.10x = 296,711.69 × 109,300.85
  4. Step 4: Simplify right side
    198,146.10x = 32,430,837,891.87
  5. Step 5: Solve for x
    x = 32,430,837,891.87/198,146.10
  6. Step 6: Final answer
    x = 163,671.34

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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.