Home / 215,601.08-323,401.64-82,522.16

Finding the Fourth Proportional to 215,601.08, 323,401.64 and 82,522.16

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Solution

The fourth proportional to 215,601.08, 323,401.64 and 82,522.16 is: 123,783.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,601.08 : 323,401.64 = 82,522.16 : x
  2. Step 2: Convert to fraction form
    215,601.08/323,401.64 = 82,522.16/x
  3. Step 3: Cross multiply
    215,601.08x = 323,401.64 × 82,522.16
  4. Step 4: Simplify right side
    215,601.08x = 26,687,801,880.34
  5. Step 5: Solve for x
    x = 26,687,801,880.34/215,601.08
  6. Step 6: Final answer
    x = 123,783.25

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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.