Home / 166,419.32-229,658.65-90,967.82

Finding the Fourth Proportional to 166,419.32, 229,658.65 and 90,967.82

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Solution

The fourth proportional to 166,419.32, 229,658.65 and 90,967.82 is: 125,535.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,419.32 : 229,658.65 = 90,967.82 : x
  2. Step 2: Convert to fraction form
    166,419.32/229,658.65 = 90,967.82/x
  3. Step 3: Cross multiply
    166,419.32x = 229,658.65 × 90,967.82
  4. Step 4: Simplify right side
    166,419.32x = 20,891,546,734.64
  5. Step 5: Solve for x
    x = 20,891,546,734.64/166,419.32
  6. Step 6: Final answer
    x = 125,535.59

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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.