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Finding the Fourth Proportional to 114,583.40, 171,875.10 and 77,258.60

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Solution

The fourth proportional to 114,583.40, 171,875.10 and 77,258.60 is: 115,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,583.40 : 171,875.10 = 77,258.60 : x
  2. Step 2: Convert to fraction form
    114,583.40/171,875.10 = 77,258.60/x
  3. Step 3: Cross multiply
    114,583.40x = 171,875.10 × 77,258.60
  4. Step 4: Simplify right side
    114,583.40x = 13,278,829,600.86
  5. Step 5: Solve for x
    x = 13,278,829,600.86/114,583.40
  6. Step 6: Final answer
    x = 115,887.90

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