Home / 68,222.57-102,162.94-43,187.09

Finding the Fourth Proportional to 68,222.57, 102,162.94 and 43,187.09

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Solution

The fourth proportional to 68,222.57, 102,162.94 and 43,187.09 is: 64,672.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,222.57 : 102,162.94 = 43,187.09 : x
  2. Step 2: Convert to fraction form
    68,222.57/102,162.94 = 43,187.09/x
  3. Step 3: Cross multiply
    68,222.57x = 102,162.94 × 43,187.09
  4. Step 4: Simplify right side
    68,222.57x = 4,412,119,465.66
  5. Step 5: Solve for x
    x = 4,412,119,465.66/68,222.57
  6. Step 6: Final answer
    x = 64,672.44

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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.