Home / 166,449.90-229,700.82-90,998.40

Finding the Fourth Proportional to 166,449.90, 229,700.82 and 90,998.40

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Solution

The fourth proportional to 166,449.90, 229,700.82 and 90,998.40 is: 125,577.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,449.90 : 229,700.82 = 90,998.40 : x
  2. Step 2: Convert to fraction form
    166,449.90/229,700.82 = 90,998.40/x
  3. Step 3: Cross multiply
    166,449.90x = 229,700.82 × 90,998.40
  4. Step 4: Simplify right side
    166,449.90x = 20,902,407,098.69
  5. Step 5: Solve for x
    x = 20,902,407,098.69/166,449.90
  6. Step 6: Final answer
    x = 125,577.77

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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.