Home / 154,127.38-231,237.68-109,235.56

Finding the Fourth Proportional to 154,127.38, 231,237.68 and 109,235.56

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Solution

The fourth proportional to 154,127.38, 231,237.68 and 109,235.56 is: 163,886.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,127.38 : 231,237.68 = 109,235.56 : x
  2. Step 2: Convert to fraction form
    154,127.38/231,237.68 = 109,235.56/x
  3. Step 3: Cross multiply
    154,127.38x = 231,237.68 × 109,235.56
  4. Step 4: Simplify right side
    154,127.38x = 25,259,377,467.90
  5. Step 5: Solve for x
    x = 25,259,377,467.90/154,127.38
  6. Step 6: Final answer
    x = 163,886.37

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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.