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Finding the Fourth Proportional to 115,750.40, 173,625.60 and 84,646.40

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Solution

The fourth proportional to 115,750.40, 173,625.60 and 84,646.40 is: 126,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,750.40 : 173,625.60 = 84,646.40 : x
  2. Step 2: Convert to fraction form
    115,750.40/173,625.60 = 84,646.40/x
  3. Step 3: Cross multiply
    115,750.40x = 173,625.60 × 84,646.40
  4. Step 4: Simplify right side
    115,750.40x = 14,696,781,987.84
  5. Step 5: Solve for x
    x = 14,696,781,987.84/115,750.40
  6. Step 6: Final answer
    x = 126,969.60

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