Home / 103,771.22-155,561.11-40,634.35

Finding the Fourth Proportional to 103,771.22, 155,561.11 and 40,634.35

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Solution

The fourth proportional to 103,771.22, 155,561.11 and 40,634.35 is: 60,914.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,771.22 : 155,561.11 = 40,634.35 : x
  2. Step 2: Convert to fraction form
    103,771.22/155,561.11 = 40,634.35/x
  3. Step 3: Cross multiply
    103,771.22x = 155,561.11 × 40,634.35
  4. Step 4: Simplify right side
    103,771.22x = 6,321,124,099.64
  5. Step 5: Solve for x
    x = 6,321,124,099.64/103,771.22
  6. Step 6: Final answer
    x = 60,914.04

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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.