Home / 166,319.57-229,521.72-90,869.69

Finding the Fourth Proportional to 166,319.57, 229,521.72 and 90,869.69

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Solution

The fourth proportional to 166,319.57, 229,521.72 and 90,869.69 is: 125,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,319.57 : 229,521.72 = 90,869.69 : x
  2. Step 2: Convert to fraction form
    166,319.57/229,521.72 = 90,869.69/x
  3. Step 3: Cross multiply
    166,319.57x = 229,521.72 × 90,869.69
  4. Step 4: Simplify right side
    166,319.57x = 20,856,566,397.06
  5. Step 5: Solve for x
    x = 20,856,566,397.06/166,319.57
  6. Step 6: Final answer
    x = 125,400.56

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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.