Home / 165,230.34-228,019.24-89,778.84

Finding the Fourth Proportional to 165,230.34, 228,019.24 and 89,778.84

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Solution

The fourth proportional to 165,230.34, 228,019.24 and 89,778.84 is: 123,895.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,230.34 : 228,019.24 = 89,778.84 : x
  2. Step 2: Convert to fraction form
    165,230.34/228,019.24 = 89,778.84/x
  3. Step 3: Cross multiply
    165,230.34x = 228,019.24 × 89,778.84
  4. Step 4: Simplify right side
    165,230.34x = 20,471,302,864.88
  5. Step 5: Solve for x
    x = 20,471,302,864.88/165,230.34
  6. Step 6: Final answer
    x = 123,895.54

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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.