Home / 215,719.20-323,537.04-65,923.20

Finding the Fourth Proportional to 215,719.20, 323,537.04 and 65,923.20

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Solution

The fourth proportional to 215,719.20, 323,537.04 and 65,923.20 is: 98,872.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,719.20 : 323,537.04 = 65,923.20 : x
  2. Step 2: Convert to fraction form
    215,719.20/323,537.04 = 65,923.20/x
  3. Step 3: Cross multiply
    215,719.20x = 323,537.04 × 65,923.20
  4. Step 4: Simplify right side
    215,719.20x = 21,328,596,995.33
  5. Step 5: Solve for x
    x = 21,328,596,995.33/215,719.20
  6. Step 6: Final answer
    x = 98,872.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.