Home / 217,684.17-300,422.93-120,906.59

Finding the Fourth Proportional to 217,684.17, 300,422.93 and 120,906.59

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Solution

The fourth proportional to 217,684.17, 300,422.93 and 120,906.59 is: 166,861.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,684.17 : 300,422.93 = 120,906.59 : x
  2. Step 2: Convert to fraction form
    217,684.17/300,422.93 = 120,906.59/x
  3. Step 3: Cross multiply
    217,684.17x = 300,422.93 × 120,906.59
  4. Step 4: Simplify right side
    217,684.17x = 36,323,109,917.46
  5. Step 5: Solve for x
    x = 36,323,109,917.46/217,684.17
  6. Step 6: Final answer
    x = 166,861.51

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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.