Home / 165,773.75-228,767.78-90,322.25

Finding the Fourth Proportional to 165,773.75, 228,767.78 and 90,322.25

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Solution

The fourth proportional to 165,773.75, 228,767.78 and 90,322.25 is: 124,644.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,773.75 : 228,767.78 = 90,322.25 : x
  2. Step 2: Convert to fraction form
    165,773.75/228,767.78 = 90,322.25/x
  3. Step 3: Cross multiply
    165,773.75x = 228,767.78 × 90,322.25
  4. Step 4: Simplify right side
    165,773.75x = 20,662,820,165.49
  5. Step 5: Solve for x
    x = 20,662,820,165.49/165,773.75
  6. Step 6: Final answer
    x = 124,644.71

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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.