Home / 154,633.93-213,268.30-108,845.15

Finding the Fourth Proportional to 154,633.93, 213,268.30 and 108,845.15

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Solution

The fourth proportional to 154,633.93, 213,268.30 and 108,845.15 is: 150,117.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,633.93 : 213,268.30 = 108,845.15 : x
  2. Step 2: Convert to fraction form
    154,633.93/213,268.30 = 108,845.15/x
  3. Step 3: Cross multiply
    154,633.93x = 213,268.30 × 108,845.15
  4. Step 4: Simplify right side
    154,633.93x = 23,213,218,765.29
  5. Step 5: Solve for x
    x = 23,213,218,765.29/154,633.93
  6. Step 6: Final answer
    x = 150,117.24

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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.