Home / 103,025.20-154,422.60-43,850.80

Finding the Fourth Proportional to 103,025.20, 154,422.60 and 43,850.80

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Solution

The fourth proportional to 103,025.20, 154,422.60 and 43,850.80 is: 65,727.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,025.20 : 154,422.60 = 43,850.80 : x
  2. Step 2: Convert to fraction form
    103,025.20/154,422.60 = 43,850.80/x
  3. Step 3: Cross multiply
    103,025.20x = 154,422.60 × 43,850.80
  4. Step 4: Simplify right side
    103,025.20x = 6,771,554,548.08
  5. Step 5: Solve for x
    x = 6,771,554,548.08/103,025.20
  6. Step 6: Final answer
    x = 65,727.17

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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.