Home / 154,231.24-231,478.08-109,966.36

Finding the Fourth Proportional to 154,231.24, 231,478.08 and 109,966.36

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Solution

The fourth proportional to 154,231.24, 231,478.08 and 109,966.36 is: 165,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,231.24 : 231,478.08 = 109,966.36 : x
  2. Step 2: Convert to fraction form
    154,231.24/231,478.08 = 109,966.36/x
  3. Step 3: Cross multiply
    154,231.24x = 231,478.08 × 109,966.36
  4. Step 4: Simplify right side
    154,231.24x = 25,454,801,877.39
  5. Step 5: Solve for x
    x = 25,454,801,877.39/154,231.24
  6. Step 6: Final answer
    x = 165,043.10

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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.