Home / 165,507.10-228,369.58-108,131.15

Finding the Fourth Proportional to 165,507.10, 228,369.58 and 108,131.15

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Solution

The fourth proportional to 165,507.10, 228,369.58 and 108,131.15 is: 149,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,507.10 : 228,369.58 = 108,131.15 : x
  2. Step 2: Convert to fraction form
    165,507.10/228,369.58 = 108,131.15/x
  3. Step 3: Cross multiply
    165,507.10x = 228,369.58 × 108,131.15
  4. Step 4: Simplify right side
    165,507.10x = 24,693,865,611.01
  5. Step 5: Solve for x
    x = 24,693,865,611.01/165,507.10
  6. Step 6: Final answer
    x = 149,201.25

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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.