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Finding the Fourth Proportional to 109,870.40, 164,805.60 and 98,060.60

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Solution

The fourth proportional to 109,870.40, 164,805.60 and 98,060.60 is: 147,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,870.40 : 164,805.60 = 98,060.60 : x
  2. Step 2: Convert to fraction form
    109,870.40/164,805.60 = 98,060.60/x
  3. Step 3: Cross multiply
    109,870.40x = 164,805.60 × 98,060.60
  4. Step 4: Simplify right side
    109,870.40x = 16,160,936,019.36
  5. Step 5: Solve for x
    x = 16,160,936,019.36/109,870.40
  6. Step 6: Final answer
    x = 147,090.90

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