Home / 217,469.13-300,107.93-126,887.37

Finding the Fourth Proportional to 217,469.13, 300,107.93 and 126,887.37

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Solution

The fourth proportional to 217,469.13, 300,107.93 and 126,887.37 is: 175,104.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,469.13 : 300,107.93 = 126,887.37 : x
  2. Step 2: Convert to fraction form
    217,469.13/300,107.93 = 126,887.37/x
  3. Step 3: Cross multiply
    217,469.13x = 300,107.93 × 126,887.37
  4. Step 4: Simplify right side
    217,469.13x = 38,079,905,953.84
  5. Step 5: Solve for x
    x = 38,079,905,953.84/217,469.13
  6. Step 6: Final answer
    x = 175,104.88

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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.