Home / 217,585.51-300,260.21-120,793.57

Finding the Fourth Proportional to 217,585.51, 300,260.21 and 120,793.57

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Solution

The fourth proportional to 217,585.51, 300,260.21 and 120,793.57 is: 166,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,585.51 : 300,260.21 = 120,793.57 : x
  2. Step 2: Convert to fraction form
    217,585.51/300,260.21 = 120,793.57/x
  3. Step 3: Cross multiply
    217,585.51x = 300,260.21 × 120,793.57
  4. Step 4: Simplify right side
    217,585.51x = 36,269,501,340.23
  5. Step 5: Solve for x
    x = 36,269,501,340.23/217,585.51
  6. Step 6: Final answer
    x = 166,690.80

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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.