Home / 154,006.20-231,090.26-109,315.96

Finding the Fourth Proportional to 154,006.20, 231,090.26 and 109,315.96

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Solution

The fourth proportional to 154,006.20, 231,090.26 and 109,315.96 is: 164,031.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,006.20 : 231,090.26 = 109,315.96 : x
  2. Step 2: Convert to fraction form
    154,006.20/231,090.26 = 109,315.96/x
  3. Step 3: Cross multiply
    154,006.20x = 231,090.26 × 109,315.96
  4. Step 4: Simplify right side
    154,006.20x = 25,261,853,618.55
  5. Step 5: Solve for x
    x = 25,261,853,618.55/154,006.20
  6. Step 6: Final answer
    x = 164,031.41

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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.