Home / 112,159.39-154,700.07-108,452.43

Finding the Fourth Proportional to 112,159.39, 154,700.07 and 108,452.43

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Solution

The fourth proportional to 112,159.39, 154,700.07 and 108,452.43 is: 149,587.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,159.39 : 154,700.07 = 108,452.43 : x
  2. Step 2: Convert to fraction form
    112,159.39/154,700.07 = 108,452.43/x
  3. Step 3: Cross multiply
    112,159.39x = 154,700.07 × 108,452.43
  4. Step 4: Simplify right side
    112,159.39x = 16,777,598,512.67
  5. Step 5: Solve for x
    x = 16,777,598,512.67/112,159.39
  6. Step 6: Final answer
    x = 149,587.11

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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.