Home / 165,272.98-228,070.29-89,819.86

Finding the Fourth Proportional to 165,272.98, 228,070.29 and 89,819.86

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Solution

The fourth proportional to 165,272.98, 228,070.29 and 89,819.86 is: 123,947.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,272.98 : 228,070.29 = 89,819.86 : x
  2. Step 2: Convert to fraction form
    165,272.98/228,070.29 = 89,819.86/x
  3. Step 3: Cross multiply
    165,272.98x = 228,070.29 × 89,819.86
  4. Step 4: Simplify right side
    165,272.98x = 20,485,241,517.96
  5. Step 5: Solve for x
    x = 20,485,241,517.96/165,272.98
  6. Step 6: Final answer
    x = 123,947.92

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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.