Home / 165,244.70-228,037.77-89,793.20

Finding the Fourth Proportional to 165,244.70, 228,037.77 and 89,793.20

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Solution

The fourth proportional to 165,244.70, 228,037.77 and 89,793.20 is: 123,914.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,244.70 : 228,037.77 = 89,793.20 : x
  2. Step 2: Convert to fraction form
    165,244.70/228,037.77 = 89,793.20/x
  3. Step 3: Cross multiply
    165,244.70x = 228,037.77 × 89,793.20
  4. Step 4: Simplify right side
    165,244.70x = 20,476,239,948.98
  5. Step 5: Solve for x
    x = 20,476,239,948.98/165,244.70
  6. Step 6: Final answer
    x = 123,914.66

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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.