Home / 217,611.16-300,324.98-122,118.23

Finding the Fourth Proportional to 217,611.16, 300,324.98 and 122,118.23

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Solution

The fourth proportional to 217,611.16, 300,324.98 and 122,118.23 is: 168,535.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,611.16 : 300,324.98 = 122,118.23 : x
  2. Step 2: Convert to fraction form
    217,611.16/300,324.98 = 122,118.23/x
  3. Step 3: Cross multiply
    217,611.16x = 300,324.98 × 122,118.23
  4. Step 4: Simplify right side
    217,611.16x = 36,675,154,982.39
  5. Step 5: Solve for x
    x = 36,675,154,982.39/217,611.16
  6. Step 6: Final answer
    x = 168,535.27

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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.