Home / 165,250.80-228,046.08-89,799.12

Finding the Fourth Proportional to 165,250.80, 228,046.08 and 89,799.12

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Solution

The fourth proportional to 165,250.80, 228,046.08 and 89,799.12 is: 123,922.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,250.80 : 228,046.08 = 89,799.12 : x
  2. Step 2: Convert to fraction form
    165,250.80/228,046.08 = 89,799.12/x
  3. Step 3: Cross multiply
    165,250.80x = 228,046.08 × 89,799.12
  4. Step 4: Simplify right side
    165,250.80x = 20,478,337,303.45
  5. Step 5: Solve for x
    x = 20,478,337,303.45/165,250.80
  6. Step 6: Final answer
    x = 123,922.77

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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.