Home / 217,464.27-300,084.78-120,672.51

Finding the Fourth Proportional to 217,464.27, 300,084.78 and 120,672.51

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Solution

The fourth proportional to 217,464.27, 300,084.78 and 120,672.51 is: 166,519.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,464.27 : 300,084.78 = 120,672.51 : x
  2. Step 2: Convert to fraction form
    217,464.27/300,084.78 = 120,672.51/x
  3. Step 3: Cross multiply
    217,464.27x = 300,084.78 × 120,672.51
  4. Step 4: Simplify right side
    217,464.27x = 36,211,983,615.40
  5. Step 5: Solve for x
    x = 36,211,983,615.40/217,464.27
  6. Step 6: Final answer
    x = 166,519.23

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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.