Home / 165,632.16-228,572.64-90,180.96

Finding the Fourth Proportional to 165,632.16, 228,572.64 and 90,180.96

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Solution

The fourth proportional to 165,632.16, 228,572.64 and 90,180.96 is: 124,449.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,632.16 : 228,572.64 = 90,180.96 : x
  2. Step 2: Convert to fraction form
    165,632.16/228,572.64 = 90,180.96/x
  3. Step 3: Cross multiply
    165,632.16x = 228,572.64 × 90,180.96
  4. Step 4: Simplify right side
    165,632.16x = 20,612,900,104.93
  5. Step 5: Solve for x
    x = 20,612,900,104.93/165,632.16
  6. Step 6: Final answer
    x = 124,449.87

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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.