Home / 166,468.30-229,727.20-91,016.80

Finding the Fourth Proportional to 166,468.30, 229,727.20 and 91,016.80

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Solution

The fourth proportional to 166,468.30, 229,727.20 and 91,016.80 is: 125,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,468.30 : 229,727.20 = 91,016.80 : x
  2. Step 2: Convert to fraction form
    166,468.30/229,727.20 = 91,016.80/x
  3. Step 3: Cross multiply
    166,468.30x = 229,727.20 × 91,016.80
  4. Step 4: Simplify right side
    166,468.30x = 20,909,034,616.96
  5. Step 5: Solve for x
    x = 20,909,034,616.96/166,468.30
  6. Step 6: Final answer
    x = 125,603.70

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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.