Home / 166,336.50-229,545.99-90,885

Finding the Fourth Proportional to 166,336.50, 229,545.99 and 90,885

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Solution

The fourth proportional to 166,336.50, 229,545.99 and 90,885 is: 125,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,336.50 : 229,545.99 = 90,885 : x
  2. Step 2: Convert to fraction form
    166,336.50/229,545.99 = 90,885/x
  3. Step 3: Cross multiply
    166,336.50x = 229,545.99 × 90,885
  4. Step 4: Simplify right side
    166,336.50x = 20,862,287,301.15
  5. Step 5: Solve for x
    x = 20,862,287,301.15/166,336.50
  6. Step 6: Final answer
    x = 125,422.19

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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.