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Finding the Fourth Proportional to 201,255.56, 301,937.78 and 68,135.80

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Solution

The fourth proportional to 201,255.56, 301,937.78 and 68,135.80 is: 102,222.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,255.56 : 301,937.78 = 68,135.80 : x
  2. Step 2: Convert to fraction form
    201,255.56/301,937.78 = 68,135.80/x
  3. Step 3: Cross multiply
    201,255.56x = 301,937.78 × 68,135.80
  4. Step 4: Simplify right side
    201,255.56x = 20,572,772,190.52
  5. Step 5: Solve for x
    x = 20,572,772,190.52/201,255.56
  6. Step 6: Final answer
    x = 102,222.13

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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.