Home / 165,253.19-228,049.37-89,801.69

Finding the Fourth Proportional to 165,253.19, 228,049.37 and 89,801.69

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Solution

The fourth proportional to 165,253.19, 228,049.37 and 89,801.69 is: 123,926.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,253.19 : 228,049.37 = 89,801.69 : x
  2. Step 2: Convert to fraction form
    165,253.19/228,049.37 = 89,801.69/x
  3. Step 3: Cross multiply
    165,253.19x = 228,049.37 × 89,801.69
  4. Step 4: Simplify right side
    165,253.19x = 20,479,218,829.44
  5. Step 5: Solve for x
    x = 20,479,218,829.44/165,253.19
  6. Step 6: Final answer
    x = 123,926.31

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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.