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Finding the Fourth Proportional to 98,600.40, 147,900.60 and 73,814.40

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Solution

The fourth proportional to 98,600.40, 147,900.60 and 73,814.40 is: 110,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,600.40 : 147,900.60 = 73,814.40 : x
  2. Step 2: Convert to fraction form
    98,600.40/147,900.60 = 73,814.40/x
  3. Step 3: Cross multiply
    98,600.40x = 147,900.60 × 73,814.40
  4. Step 4: Simplify right side
    98,600.40x = 10,917,194,048.64
  5. Step 5: Solve for x
    x = 10,917,194,048.64/98,600.40
  6. Step 6: Final answer
    x = 110,721.60

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