Home / 165,227.58-228,015.45-89,776.08

Finding the Fourth Proportional to 165,227.58, 228,015.45 and 89,776.08

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Solution

The fourth proportional to 165,227.58, 228,015.45 and 89,776.08 is: 123,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,227.58 : 228,015.45 = 89,776.08 : x
  2. Step 2: Convert to fraction form
    165,227.58/228,015.45 = 89,776.08/x
  3. Step 3: Cross multiply
    165,227.58x = 228,015.45 × 89,776.08
  4. Step 4: Simplify right side
    165,227.58x = 20,470,333,280.44
  5. Step 5: Solve for x
    x = 20,470,333,280.44/165,227.58
  6. Step 6: Final answer
    x = 123,891.75

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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.