Home / 231,986.25-320,135.58-136,499.13

Finding the Fourth Proportional to 231,986.25, 320,135.58 and 136,499.13

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Solution

The fourth proportional to 231,986.25, 320,135.58 and 136,499.13 is: 188,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,986.25 : 320,135.58 = 136,499.13 : x
  2. Step 2: Convert to fraction form
    231,986.25/320,135.58 = 136,499.13/x
  3. Step 3: Cross multiply
    231,986.25x = 320,135.58 × 136,499.13
  4. Step 4: Simplify right side
    231,986.25x = 43,698,228,152.05
  5. Step 5: Solve for x
    x = 43,698,228,152.05/231,986.25
  6. Step 6: Final answer
    x = 188,365.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.