Home / 165,689.32-228,786.08-135,067.20

Finding the Fourth Proportional to 165,689.32, 228,786.08 and 135,067.20

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Solution

The fourth proportional to 165,689.32, 228,786.08 and 135,067.20 is: 186,502.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,689.32 : 228,786.08 = 135,067.20 : x
  2. Step 2: Convert to fraction form
    165,689.32/228,786.08 = 135,067.20/x
  3. Step 3: Cross multiply
    165,689.32x = 228,786.08 × 135,067.20
  4. Step 4: Simplify right side
    165,689.32x = 30,901,495,224.58
  5. Step 5: Solve for x
    x = 30,901,495,224.58/165,689.32
  6. Step 6: Final answer
    x = 186,502.64

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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.