Home / 165,725.24-228,701.22-90,272.12

Finding the Fourth Proportional to 165,725.24, 228,701.22 and 90,272.12

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Solution

The fourth proportional to 165,725.24, 228,701.22 and 90,272.12 is: 124,575.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,725.24 : 228,701.22 = 90,272.12 : x
  2. Step 2: Convert to fraction form
    165,725.24/228,701.22 = 90,272.12/x
  3. Step 3: Cross multiply
    165,725.24x = 228,701.22 × 90,272.12
  4. Step 4: Simplify right side
    165,725.24x = 20,645,343,975.99
  5. Step 5: Solve for x
    x = 20,645,343,975.99/165,725.24
  6. Step 6: Final answer
    x = 124,575.74

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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.