Home / 215,034.54-296,784.34-124,445.66

Finding the Fourth Proportional to 215,034.54, 296,784.34 and 124,445.66

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Solution

The fourth proportional to 215,034.54, 296,784.34 and 124,445.66 is: 171,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,034.54 : 296,784.34 = 124,445.66 : x
  2. Step 2: Convert to fraction form
    215,034.54/296,784.34 = 124,445.66/x
  3. Step 3: Cross multiply
    215,034.54x = 296,784.34 × 124,445.66
  4. Step 4: Simplify right side
    215,034.54x = 36,933,522,757.85
  5. Step 5: Solve for x
    x = 36,933,522,757.85/215,034.54
  6. Step 6: Final answer
    x = 171,756.23

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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.