Home / 262,072.92-393,107.22-75,084.60

Finding the Fourth Proportional to 262,072.92, 393,107.22 and 75,084.60

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Solution

The fourth proportional to 262,072.92, 393,107.22 and 75,084.60 is: 112,626.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,072.92 : 393,107.22 = 75,084.60 : x
  2. Step 2: Convert to fraction form
    262,072.92/393,107.22 = 75,084.60/x
  3. Step 3: Cross multiply
    262,072.92x = 393,107.22 × 75,084.60
  4. Step 4: Simplify right side
    262,072.92x = 29,516,298,370.81
  5. Step 5: Solve for x
    x = 29,516,298,370.81/262,072.92
  6. Step 6: Final answer
    x = 112,626.28

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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.