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Finding the Fourth Proportional to 167,282.12, 230,843.10 and 90,799.58

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Solution

The fourth proportional to 167,282.12, 230,843.10 and 90,799.58 is: 125,300.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,282.12 : 230,843.10 = 90,799.58 : x
  2. Step 2: Convert to fraction form
    167,282.12/230,843.10 = 90,799.58/x
  3. Step 3: Cross multiply
    167,282.12x = 230,843.10 × 90,799.58
  4. Step 4: Simplify right side
    167,282.12x = 20,960,455,371.68
  5. Step 5: Solve for x
    x = 20,960,455,371.68/167,282.12
  6. Step 6: Final answer
    x = 125,300.04

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1.5x scale

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.