Home / 165,425.05-228,213.35-101,725.21

Finding the Fourth Proportional to 165,425.05, 228,213.35 and 101,725.21

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Solution

The fourth proportional to 165,425.05, 228,213.35 and 101,725.21 is: 140,335.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,425.05 : 228,213.35 = 101,725.21 : x
  2. Step 2: Convert to fraction form
    165,425.05/228,213.35 = 101,725.21/x
  3. Step 3: Cross multiply
    165,425.05x = 228,213.35 × 101,725.21
  4. Step 4: Simplify right side
    165,425.05x = 23,215,050,953.55
  5. Step 5: Solve for x
    x = 23,215,050,953.55/165,425.05
  6. Step 6: Final answer
    x = 140,335.77

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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.