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Finding the Fourth Proportional to 112,446.40, 168,554.40 and 65,675.20

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Solution

The fourth proportional to 112,446.40, 168,554.40 and 65,675.20 is: 98,445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,446.40 : 168,554.40 = 65,675.20 : x
  2. Step 2: Convert to fraction form
    112,446.40/168,554.40 = 65,675.20/x
  3. Step 3: Cross multiply
    112,446.40x = 168,554.40 × 65,675.20
  4. Step 4: Simplify right side
    112,446.40x = 11,069,843,930.88
  5. Step 5: Solve for x
    x = 11,069,843,930.88/112,446.40
  6. Step 6: Final answer
    x = 98,445.52

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