Home / 131,087.25-196,207.92-67,820.27

Finding the Fourth Proportional to 131,087.25, 196,207.92 and 67,820.27

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Solution

The fourth proportional to 131,087.25, 196,207.92 and 67,820.27 is: 101,511.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,087.25 : 196,207.92 = 67,820.27 : x
  2. Step 2: Convert to fraction form
    131,087.25/196,207.92 = 67,820.27/x
  3. Step 3: Cross multiply
    131,087.25x = 196,207.92 × 67,820.27
  4. Step 4: Simplify right side
    131,087.25x = 13,306,873,129.50
  5. Step 5: Solve for x
    x = 13,306,873,129.50/131,087.25
  6. Step 6: Final answer
    x = 101,511.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.