Home / 214,540.30-296,079.67-123,900.09

Finding the Fourth Proportional to 214,540.30, 296,079.67 and 123,900.09

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Solution

The fourth proportional to 214,540.30, 296,079.67 and 123,900.09 is: 170,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,540.30 : 296,079.67 = 123,900.09 : x
  2. Step 2: Convert to fraction form
    214,540.30/296,079.67 = 123,900.09/x
  3. Step 3: Cross multiply
    214,540.30x = 296,079.67 × 123,900.09
  4. Step 4: Simplify right side
    214,540.30x = 36,684,297,760.17
  5. Step 5: Solve for x
    x = 36,684,297,760.17/214,540.30
  6. Step 6: Final answer
    x = 170,990.24

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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.