Home / 231,890.36-347,857.30-71,967.80

Finding the Fourth Proportional to 231,890.36, 347,857.30 and 71,967.80

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Solution

The fourth proportional to 231,890.36, 347,857.30 and 71,967.80 is: 107,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,890.36 : 347,857.30 = 71,967.80 : x
  2. Step 2: Convert to fraction form
    231,890.36/347,857.30 = 71,967.80/x
  3. Step 3: Cross multiply
    231,890.36x = 347,857.30 × 71,967.80
  4. Step 4: Simplify right side
    231,890.36x = 25,034,524,594.94
  5. Step 5: Solve for x
    x = 25,034,524,594.94/231,890.36
  6. Step 6: Final answer
    x = 107,958.45

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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.