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Finding the Fourth Proportional to 113,378.80, 170,068.20 and 63,612.40

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Solution

The fourth proportional to 113,378.80, 170,068.20 and 63,612.40 is: 95,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,378.80 : 170,068.20 = 63,612.40 : x
  2. Step 2: Convert to fraction form
    113,378.80/170,068.20 = 63,612.40/x
  3. Step 3: Cross multiply
    113,378.80x = 170,068.20 × 63,612.40
  4. Step 4: Simplify right side
    113,378.80x = 10,818,446,365.68
  5. Step 5: Solve for x
    x = 10,818,446,365.68/113,378.80
  6. Step 6: Final answer
    x = 95,418.60

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