Home / 165,685.14-228,648.24-90,233.64

Finding the Fourth Proportional to 165,685.14, 228,648.24 and 90,233.64

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Solution

The fourth proportional to 165,685.14, 228,648.24 and 90,233.64 is: 124,523.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,685.14 : 228,648.24 = 90,233.64 : x
  2. Step 2: Convert to fraction form
    165,685.14/228,648.24 = 90,233.64/x
  3. Step 3: Cross multiply
    165,685.14x = 228,648.24 × 90,233.64
  4. Step 4: Simplify right side
    165,685.14x = 20,631,762,974.79
  5. Step 5: Solve for x
    x = 20,631,762,974.79/165,685.14
  6. Step 6: Final answer
    x = 124,523.92

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1.5x scale

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.