Home / 166,419.06-229,658.31-90,967.56

Finding the Fourth Proportional to 166,419.06, 229,658.31 and 90,967.56

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Solution

The fourth proportional to 166,419.06, 229,658.31 and 90,967.56 is: 125,535.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,419.06 : 229,658.31 = 90,967.56 : x
  2. Step 2: Convert to fraction form
    166,419.06/229,658.31 = 90,967.56/x
  3. Step 3: Cross multiply
    166,419.06x = 229,658.31 × 90,967.56
  4. Step 4: Simplify right side
    166,419.06x = 20,891,456,094.42
  5. Step 5: Solve for x
    x = 20,891,456,094.42/166,419.06
  6. Step 6: Final answer
    x = 125,535.24

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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.