Home / 111,712.82-154,164.48-60,725.57

Finding the Fourth Proportional to 111,712.82, 154,164.48 and 60,725.57

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Solution

The fourth proportional to 111,712.82, 154,164.48 and 60,725.57 is: 83,801.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,712.82 : 154,164.48 = 60,725.57 : x
  2. Step 2: Convert to fraction form
    111,712.82/154,164.48 = 60,725.57/x
  3. Step 3: Cross multiply
    111,712.82x = 154,164.48 × 60,725.57
  4. Step 4: Simplify right side
    111,712.82x = 9,361,725,921.75
  5. Step 5: Solve for x
    x = 9,361,725,921.75/111,712.82
  6. Step 6: Final answer
    x = 83,801.72

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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.