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Finding the Fourth Proportional to 105,749.60, 158,312.75 and 92,627.60

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Solution

The fourth proportional to 105,749.60, 158,312.75 and 92,627.60 is: 138,668.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,749.60 : 158,312.75 = 92,627.60 : x
  2. Step 2: Convert to fraction form
    105,749.60/158,312.75 = 92,627.60/x
  3. Step 3: Cross multiply
    105,749.60x = 158,312.75 × 92,627.60
  4. Step 4: Simplify right side
    105,749.60x = 14,664,128,827.20
  5. Step 5: Solve for x
    x = 14,664,128,827.20/105,749.60
  6. Step 6: Final answer
    x = 138,668.42

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