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Finding the Fourth Proportional to 114,328.78, 157,745.20 and 65,945.50

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Solution

The fourth proportional to 114,328.78, 157,745.20 and 65,945.50 is: 90,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,328.78 : 157,745.20 = 65,945.50 : x
  2. Step 2: Convert to fraction form
    114,328.78/157,745.20 = 65,945.50/x
  3. Step 3: Cross multiply
    114,328.78x = 157,745.20 × 65,945.50
  4. Step 4: Simplify right side
    114,328.78x = 10,402,586,086.60
  5. Step 5: Solve for x
    x = 10,402,586,086.60/114,328.78
  6. Step 6: Final answer
    x = 90,988.34

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