Home / 165,597.75-228,524.94-90,146.25

Finding the Fourth Proportional to 165,597.75, 228,524.94 and 90,146.25

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Solution

The fourth proportional to 165,597.75, 228,524.94 and 90,146.25 is: 124,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,597.75 : 228,524.94 = 90,146.25 : x
  2. Step 2: Convert to fraction form
    165,597.75/228,524.94 = 90,146.25/x
  3. Step 3: Cross multiply
    165,597.75x = 228,524.94 × 90,146.25
  4. Step 4: Simplify right side
    165,597.75x = 20,600,666,372.48
  5. Step 5: Solve for x
    x = 20,600,666,372.48/165,597.75
  6. Step 6: Final answer
    x = 124,401.85

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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.