Home / 217,742.25-300,489.07-119,626.76

Finding the Fourth Proportional to 217,742.25, 300,489.07 and 119,626.76

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Solution

The fourth proportional to 217,742.25, 300,489.07 and 119,626.76 is: 165,087.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,742.25 : 300,489.07 = 119,626.76 : x
  2. Step 2: Convert to fraction form
    217,742.25/300,489.07 = 119,626.76/x
  3. Step 3: Cross multiply
    217,742.25x = 300,489.07 × 119,626.76
  4. Step 4: Simplify right side
    217,742.25x = 35,946,531,758.93
  5. Step 5: Solve for x
    x = 35,946,531,758.93/217,742.25
  6. Step 6: Final answer
    x = 165,087.54

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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.