Home / 217,749.53-300,484.19-120,959.66

Finding the Fourth Proportional to 217,749.53, 300,484.19 and 120,959.66

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Solution

The fourth proportional to 217,749.53, 300,484.19 and 120,959.66 is: 166,918.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,749.53 : 300,484.19 = 120,959.66 : x
  2. Step 2: Convert to fraction form
    217,749.53/300,484.19 = 120,959.66/x
  3. Step 3: Cross multiply
    217,749.53x = 300,484.19 × 120,959.66
  4. Step 4: Simplify right side
    217,749.53x = 36,346,464,257.75
  5. Step 5: Solve for x
    x = 36,346,464,257.75/217,749.53
  6. Step 6: Final answer
    x = 166,918.68

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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.