Home / 154,921.60-231,806.40-113,449.60

Finding the Fourth Proportional to 154,921.60, 231,806.40 and 113,449.60

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Solution

The fourth proportional to 154,921.60, 231,806.40 and 113,449.60 is: 169,752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,921.60 : 231,806.40 = 113,449.60 : x
  2. Step 2: Convert to fraction form
    154,921.60/231,806.40 = 113,449.60/x
  3. Step 3: Cross multiply
    154,921.60x = 231,806.40 × 113,449.60
  4. Step 4: Simplify right side
    154,921.60x = 26,298,343,357.44
  5. Step 5: Solve for x
    x = 26,298,343,357.44/154,921.60
  6. Step 6: Final answer
    x = 169,752.59

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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.