Home / 147,622.75-203,719.41-80,554.75

Finding the Fourth Proportional to 147,622.75, 203,719.41 and 80,554.75

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Solution

The fourth proportional to 147,622.75, 203,719.41 and 80,554.75 is: 111,165.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622.75 : 203,719.41 = 80,554.75 : x
  2. Step 2: Convert to fraction form
    147,622.75/203,719.41 = 80,554.75/x
  3. Step 3: Cross multiply
    147,622.75x = 203,719.41 × 80,554.75
  4. Step 4: Simplify right side
    147,622.75x = 16,410,566,142.70
  5. Step 5: Solve for x
    x = 16,410,566,142.70/147,622.75
  6. Step 6: Final answer
    x = 111,165.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.