Home / 155,160.12-213,991.02-95,440.44

Finding the Fourth Proportional to 155,160.12, 213,991.02 and 95,440.44

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Solution

The fourth proportional to 155,160.12, 213,991.02 and 95,440.44 is: 131,627.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,160.12 : 213,991.02 = 95,440.44 : x
  2. Step 2: Convert to fraction form
    155,160.12/213,991.02 = 95,440.44/x
  3. Step 3: Cross multiply
    155,160.12x = 213,991.02 × 95,440.44
  4. Step 4: Simplify right side
    155,160.12x = 20,423,397,104.85
  5. Step 5: Solve for x
    x = 20,423,397,104.85/155,160.12
  6. Step 6: Final answer
    x = 131,627.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.