Home / 252,880.03-379,064.45-108,879.78

Finding the Fourth Proportional to 252,880.03, 379,064.45 and 108,879.78

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Solution

The fourth proportional to 252,880.03, 379,064.45 and 108,879.78 is: 163,209.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,880.03 : 379,064.45 = 108,879.78 : x
  2. Step 2: Convert to fraction form
    252,880.03/379,064.45 = 108,879.78/x
  3. Step 3: Cross multiply
    252,880.03x = 379,064.45 × 108,879.78
  4. Step 4: Simplify right side
    252,880.03x = 41,272,452,838.06
  5. Step 5: Solve for x
    x = 41,272,452,838.06/252,880.03
  6. Step 6: Final answer
    x = 163,209.62

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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.