Home / 166,017.30-229,103.36-90,565.26

Finding the Fourth Proportional to 166,017.30, 229,103.36 and 90,565.26

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Solution

The fourth proportional to 166,017.30, 229,103.36 and 90,565.26 is: 124,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,017.30 : 229,103.36 = 90,565.26 : x
  2. Step 2: Convert to fraction form
    166,017.30/229,103.36 = 90,565.26/x
  3. Step 3: Cross multiply
    166,017.30x = 229,103.36 × 90,565.26
  4. Step 4: Simplify right side
    166,017.30x = 20,748,805,365.27
  5. Step 5: Solve for x
    x = 20,748,805,365.27/166,017.30
  6. Step 6: Final answer
    x = 124,979.78

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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.