Home / 165,286.64-228,095.88-89,834.96

Finding the Fourth Proportional to 165,286.64, 228,095.88 and 89,834.96

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Solution

The fourth proportional to 165,286.64, 228,095.88 and 89,834.96 is: 123,972.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,286.64 : 228,095.88 = 89,834.96 : x
  2. Step 2: Convert to fraction form
    165,286.64/228,095.88 = 89,834.96/x
  3. Step 3: Cross multiply
    165,286.64x = 228,095.88 × 89,834.96
  4. Step 4: Simplify right side
    165,286.64x = 20,490,984,255.96
  5. Step 5: Solve for x
    x = 20,490,984,255.96/165,286.64
  6. Step 6: Final answer
    x = 123,972.42

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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.