Home / 78,546.24-117,806.40-25,230.96

Finding the Fourth Proportional to 78,546.24, 117,806.40 and 25,230.96

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Solution

The fourth proportional to 78,546.24, 117,806.40 and 25,230.96 is: 37,842.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,546.24 : 117,806.40 = 25,230.96 : x
  2. Step 2: Convert to fraction form
    78,546.24/117,806.40 = 25,230.96/x
  3. Step 3: Cross multiply
    78,546.24x = 117,806.40 × 25,230.96
  4. Step 4: Simplify right side
    78,546.24x = 2,972,368,566.14
  5. Step 5: Solve for x
    x = 2,972,368,566.14/78,546.24
  6. Step 6: Final answer
    x = 37,842.28

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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.