Home / 165,474.72-228,348.24-90,023.04

Finding the Fourth Proportional to 165,474.72, 228,348.24 and 90,023.04

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Solution

The fourth proportional to 165,474.72, 228,348.24 and 90,023.04 is: 124,228.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,474.72 : 228,348.24 = 90,023.04 : x
  2. Step 2: Convert to fraction form
    165,474.72/228,348.24 = 90,023.04/x
  3. Step 3: Cross multiply
    165,474.72x = 228,348.24 × 90,023.04
  4. Step 4: Simplify right side
    165,474.72x = 20,556,602,743.45
  5. Step 5: Solve for x
    x = 20,556,602,743.45/165,474.72
  6. Step 6: Final answer
    x = 124,228.06

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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.