Home / 165,891.33-228,857.85-105,429.60

Finding the Fourth Proportional to 165,891.33, 228,857.85 and 105,429.60

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Solution

The fourth proportional to 165,891.33, 228,857.85 and 105,429.60 is: 145,446.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,891.33 : 228,857.85 = 105,429.60 : x
  2. Step 2: Convert to fraction form
    165,891.33/228,857.85 = 105,429.60/x
  3. Step 3: Cross multiply
    165,891.33x = 228,857.85 × 105,429.60
  4. Step 4: Simplify right side
    165,891.33x = 24,128,391,582.36
  5. Step 5: Solve for x
    x = 24,128,391,582.36/165,891.33
  6. Step 6: Final answer
    x = 145,446.97

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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.