Home / 231,933.55-347,845.80-130,775.08

Finding the Fourth Proportional to 231,933.55, 347,845.80 and 130,775.08

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Solution

The fourth proportional to 231,933.55, 347,845.80 and 130,775.08 is: 196,131.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,933.55 : 347,845.80 = 130,775.08 : x
  2. Step 2: Convert to fraction form
    231,933.55/347,845.80 = 130,775.08/x
  3. Step 3: Cross multiply
    231,933.55x = 347,845.80 × 130,775.08
  4. Step 4: Simplify right side
    231,933.55x = 45,489,562,322.66
  5. Step 5: Solve for x
    x = 45,489,562,322.66/231,933.55
  6. Step 6: Final answer
    x = 196,131.88

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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.