Home / 67,261.14-100,890.78-22,918.80

Finding the Fourth Proportional to 67,261.14, 100,890.78 and 22,918.80

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Solution

The fourth proportional to 67,261.14, 100,890.78 and 22,918.80 is: 34,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,261.14 : 100,890.78 = 22,918.80 : x
  2. Step 2: Convert to fraction form
    67,261.14/100,890.78 = 22,918.80/x
  3. Step 3: Cross multiply
    67,261.14x = 100,890.78 × 22,918.80
  4. Step 4: Simplify right side
    67,261.14x = 2,312,295,608.66
  5. Step 5: Solve for x
    x = 2,312,295,608.66/67,261.14
  6. Step 6: Final answer
    x = 34,377.88

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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.