Home / 165,736.26-228,715.74-90,284.76

Finding the Fourth Proportional to 165,736.26, 228,715.74 and 90,284.76

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Solution

The fourth proportional to 165,736.26, 228,715.74 and 90,284.76 is: 124,592.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,736.26 : 228,715.74 = 90,284.76 : x
  2. Step 2: Convert to fraction form
    165,736.26/228,715.74 = 90,284.76/x
  3. Step 3: Cross multiply
    165,736.26x = 228,715.74 × 90,284.76
  4. Step 4: Simplify right side
    165,736.26x = 20,649,545,694.12
  5. Step 5: Solve for x
    x = 20,649,545,694.12/165,736.26
  6. Step 6: Final answer
    x = 124,592.81

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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.