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Finding the Fourth Proportional to 113,750.60, 170,625.90 and 109,376.60

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Solution

The fourth proportional to 113,750.60, 170,625.90 and 109,376.60 is: 164,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,750.60 : 170,625.90 = 109,376.60 : x
  2. Step 2: Convert to fraction form
    113,750.60/170,625.90 = 109,376.60/x
  3. Step 3: Cross multiply
    113,750.60x = 170,625.90 × 109,376.60
  4. Step 4: Simplify right side
    113,750.60x = 18,662,480,813.94
  5. Step 5: Solve for x
    x = 18,662,480,813.94/113,750.60
  6. Step 6: Final answer
    x = 164,064.90

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