Home / 231,918.63-347,927.61-71,991.06

Finding the Fourth Proportional to 231,918.63, 347,927.61 and 71,991.06

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Solution

The fourth proportional to 231,918.63, 347,927.61 and 71,991.06 is: 108,002.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,918.63 : 347,927.61 = 71,991.06 : x
  2. Step 2: Convert to fraction form
    231,918.63/347,927.61 = 71,991.06/x
  3. Step 3: Cross multiply
    231,918.63x = 347,927.61 × 71,991.06
  4. Step 4: Simplify right side
    231,918.63x = 25,047,677,447.17
  5. Step 5: Solve for x
    x = 25,047,677,447.17/231,918.63
  6. Step 6: Final answer
    x = 108,002.01

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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.