Home / 71,197.18-106,801.92-18,606.64

Finding the Fourth Proportional to 71,197.18, 106,801.92 and 18,606.64

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Solution

The fourth proportional to 71,197.18, 106,801.92 and 18,606.64 is: 27,911.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,197.18 : 106,801.92 = 18,606.64 : x
  2. Step 2: Convert to fraction form
    71,197.18/106,801.92 = 18,606.64/x
  3. Step 3: Cross multiply
    71,197.18x = 106,801.92 × 18,606.64
  4. Step 4: Simplify right side
    71,197.18x = 1,987,224,876.75
  5. Step 5: Solve for x
    x = 1,987,224,876.75/71,197.18
  6. Step 6: Final answer
    x = 27,911.57

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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.