Home / 217,433.94-300,058.23-121,942.68

Finding the Fourth Proportional to 217,433.94, 300,058.23 and 121,942.68

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Solution

The fourth proportional to 217,433.94, 300,058.23 and 121,942.68 is: 168,280.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,433.94 : 300,058.23 = 121,942.68 : x
  2. Step 2: Convert to fraction form
    217,433.94/300,058.23 = 121,942.68/x
  3. Step 3: Cross multiply
    217,433.94x = 300,058.23 × 121,942.68
  4. Step 4: Simplify right side
    217,433.94x = 36,589,904,722.26
  5. Step 5: Solve for x
    x = 36,589,904,722.26/217,433.94
  6. Step 6: Final answer
    x = 168,280.56

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1.5x scale

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.