Home / 165,418.70-228,170.13-97,378.30

Finding the Fourth Proportional to 165,418.70, 228,170.13 and 97,378.30

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Solution

The fourth proportional to 165,418.70, 228,170.13 and 97,378.30 is: 134,318.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,418.70 : 228,170.13 = 97,378.30 : x
  2. Step 2: Convert to fraction form
    165,418.70/228,170.13 = 97,378.30/x
  3. Step 3: Cross multiply
    165,418.70x = 228,170.13 × 97,378.30
  4. Step 4: Simplify right side
    165,418.70x = 22,218,818,229.33
  5. Step 5: Solve for x
    x = 22,218,818,229.33/165,418.70
  6. Step 6: Final answer
    x = 134,318.66

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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.