Home / 215,757.30-297,760.86-125,144.22

Finding the Fourth Proportional to 215,757.30, 297,760.86 and 125,144.22

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Solution

The fourth proportional to 215,757.30, 297,760.86 and 125,144.22 is: 172,708.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,757.30 : 297,760.86 = 125,144.22 : x
  2. Step 2: Convert to fraction form
    215,757.30/297,760.86 = 125,144.22/x
  3. Step 3: Cross multiply
    215,757.30x = 297,760.86 × 125,144.22
  4. Step 4: Simplify right side
    215,757.30x = 37,263,050,571.23
  5. Step 5: Solve for x
    x = 37,263,050,571.23/215,757.30
  6. Step 6: Final answer
    x = 172,708.18

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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.