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Finding the Fourth Proportional to 115,866.60, 173,670.30 and 65,970.60

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Solution

The fourth proportional to 115,866.60, 173,670.30 and 65,970.60 is: 98,882.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,866.60 : 173,670.30 = 65,970.60 : x
  2. Step 2: Convert to fraction form
    115,866.60/173,670.30 = 65,970.60/x
  3. Step 3: Cross multiply
    115,866.60x = 173,670.30 × 65,970.60
  4. Step 4: Simplify right side
    115,866.60x = 11,457,133,893.18
  5. Step 5: Solve for x
    x = 11,457,133,893.18/115,866.60
  6. Step 6: Final answer
    x = 98,882.11

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