Home / 217,960.23-326,993.04-75,784.98

Finding the Fourth Proportional to 217,960.23, 326,993.04 and 75,784.98

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Solution

The fourth proportional to 217,960.23, 326,993.04 and 75,784.98 is: 113,695.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,960.23 : 326,993.04 = 75,784.98 : x
  2. Step 2: Convert to fraction form
    217,960.23/326,993.04 = 75,784.98/x
  3. Step 3: Cross multiply
    217,960.23x = 326,993.04 × 75,784.98
  4. Step 4: Simplify right side
    217,960.23x = 24,781,160,996.54
  5. Step 5: Solve for x
    x = 24,781,160,996.54/217,960.23
  6. Step 6: Final answer
    x = 113,695.79

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1.5x scale

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.