Home / 132,416.20-198,624.30-109,865.80

Finding the Fourth Proportional to 132,416.20, 198,624.30 and 109,865.80

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Solution

The fourth proportional to 132,416.20, 198,624.30 and 109,865.80 is: 164,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,416.20 : 198,624.30 = 109,865.80 : x
  2. Step 2: Convert to fraction form
    132,416.20/198,624.30 = 109,865.80/x
  3. Step 3: Cross multiply
    132,416.20x = 198,624.30 × 109,865.80
  4. Step 4: Simplify right side
    132,416.20x = 21,822,017,618.94
  5. Step 5: Solve for x
    x = 21,822,017,618.94/132,416.20
  6. Step 6: Final answer
    x = 164,798.70

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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.