Home / 165,711.80-228,728.94-149,382.20

Finding the Fourth Proportional to 165,711.80, 228,728.94 and 149,382.20

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Solution

The fourth proportional to 165,711.80, 228,728.94 and 149,382.20 is: 206,189.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,711.80 : 228,728.94 = 149,382.20 : x
  2. Step 2: Convert to fraction form
    165,711.80/228,728.94 = 149,382.20/x
  3. Step 3: Cross multiply
    165,711.80x = 228,728.94 × 149,382.20
  4. Step 4: Simplify right side
    165,711.80x = 34,168,032,260.87
  5. Step 5: Solve for x
    x = 34,168,032,260.87/165,711.80
  6. Step 6: Final answer
    x = 206,189.49

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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.