Home / 217,554.26-300,221.44-120,758.04

Finding the Fourth Proportional to 217,554.26, 300,221.44 and 120,758.04

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Solution

The fourth proportional to 217,554.26, 300,221.44 and 120,758.04 is: 166,644.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,554.26 : 300,221.44 = 120,758.04 : x
  2. Step 2: Convert to fraction form
    217,554.26/300,221.44 = 120,758.04/x
  3. Step 3: Cross multiply
    217,554.26x = 300,221.44 × 120,758.04
  4. Step 4: Simplify right side
    217,554.26x = 36,254,152,358.48
  5. Step 5: Solve for x
    x = 36,254,152,358.48/217,554.26
  6. Step 6: Final answer
    x = 166,644.19

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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.