Home / 171,199.31-256,659.77-71,433.83

Finding the Fourth Proportional to 171,199.31, 256,659.77 and 71,433.83

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Solution

The fourth proportional to 171,199.31, 256,659.77 and 71,433.83 is: 107,092.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,199.31 : 256,659.77 = 71,433.83 : x
  2. Step 2: Convert to fraction form
    171,199.31/256,659.77 = 71,433.83/x
  3. Step 3: Cross multiply
    171,199.31x = 256,659.77 × 71,433.83
  4. Step 4: Simplify right side
    171,199.31x = 18,334,191,198.25
  5. Step 5: Solve for x
    x = 18,334,191,198.25/171,199.31
  6. Step 6: Final answer
    x = 107,092.67

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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.