Home / 215,147.44-296,925.24-123,278.89

Finding the Fourth Proportional to 215,147.44, 296,925.24 and 123,278.89

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Solution

The fourth proportional to 215,147.44, 296,925.24 and 123,278.89 is: 170,137.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,147.44 : 296,925.24 = 123,278.89 : x
  2. Step 2: Convert to fraction form
    215,147.44/296,925.24 = 123,278.89/x
  3. Step 3: Cross multiply
    215,147.44x = 296,925.24 × 123,278.89
  4. Step 4: Simplify right side
    215,147.44x = 36,604,614,000.18
  5. Step 5: Solve for x
    x = 36,604,614,000.18/215,147.44
  6. Step 6: Final answer
    x = 170,137.34

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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.