Home / 166,449.12-229,699.98-90,997.62

Finding the Fourth Proportional to 166,449.12, 229,699.98 and 90,997.62

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Solution

The fourth proportional to 166,449.12, 229,699.98 and 90,997.62 is: 125,576.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,449.12 : 229,699.98 = 90,997.62 : x
  2. Step 2: Convert to fraction form
    166,449.12/229,699.98 = 90,997.62/x
  3. Step 3: Cross multiply
    166,449.12x = 229,699.98 × 90,997.62
  4. Step 4: Simplify right side
    166,449.12x = 20,902,151,494.05
  5. Step 5: Solve for x
    x = 20,902,151,494.05/166,449.12
  6. Step 6: Final answer
    x = 125,576.82

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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.