Home / 71,182.08-106,774.20-21,250.98

Finding the Fourth Proportional to 71,182.08, 106,774.20 and 21,250.98

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Solution

The fourth proportional to 71,182.08, 106,774.20 and 21,250.98 is: 31,876.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,182.08 : 106,774.20 = 21,250.98 : x
  2. Step 2: Convert to fraction form
    71,182.08/106,774.20 = 21,250.98/x
  3. Step 3: Cross multiply
    71,182.08x = 106,774.20 × 21,250.98
  4. Step 4: Simplify right side
    71,182.08x = 2,269,056,388.72
  5. Step 5: Solve for x
    x = 2,269,056,388.72/71,182.08
  6. Step 6: Final answer
    x = 31,876.79

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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.