Home / 217,524.27-300,178.97-120,722.51

Finding the Fourth Proportional to 217,524.27, 300,178.97 and 120,722.51

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Solution

The fourth proportional to 217,524.27, 300,178.97 and 120,722.51 is: 166,594.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,524.27 : 300,178.97 = 120,722.51 : x
  2. Step 2: Convert to fraction form
    217,524.27/300,178.97 = 120,722.51/x
  3. Step 3: Cross multiply
    217,524.27x = 300,178.97 × 120,722.51
  4. Step 4: Simplify right side
    217,524.27x = 36,238,358,707.61
  5. Step 5: Solve for x
    x = 36,238,358,707.61/217,524.27
  6. Step 6: Final answer
    x = 166,594.55

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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.