Home / 165,734.96-228,715.76-100,325.30

Finding the Fourth Proportional to 165,734.96, 228,715.76 and 100,325.30

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Solution

The fourth proportional to 165,734.96, 228,715.76 and 100,325.30 is: 138,449.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,734.96 : 228,715.76 = 100,325.30 : x
  2. Step 2: Convert to fraction form
    165,734.96/228,715.76 = 100,325.30/x
  3. Step 3: Cross multiply
    165,734.96x = 228,715.76 × 100,325.30
  4. Step 4: Simplify right side
    165,734.96x = 22,945,976,343.96
  5. Step 5: Solve for x
    x = 22,945,976,343.96/165,734.96
  6. Step 6: Final answer
    x = 138,449.82

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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.