Home / 165,729.14-228,706.20-90,277.64

Finding the Fourth Proportional to 165,729.14, 228,706.20 and 90,277.64

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Solution

The fourth proportional to 165,729.14, 228,706.20 and 90,277.64 is: 124,583.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,729.14 : 228,706.20 = 90,277.64 : x
  2. Step 2: Convert to fraction form
    165,729.14/228,706.20 = 90,277.64/x
  3. Step 3: Cross multiply
    165,729.14x = 228,706.20 × 90,277.64
  4. Step 4: Simplify right side
    165,729.14x = 20,647,055,989.37
  5. Step 5: Solve for x
    x = 20,647,055,989.37/165,729.14
  6. Step 6: Final answer
    x = 124,583.14

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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.