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Finding the Fourth Proportional to 134,538.54, 185,671.17 and 77,177.48

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Solution

The fourth proportional to 134,538.54, 185,671.17 and 77,177.48 is: 106,509.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,538.54 : 185,671.17 = 77,177.48 : x
  2. Step 2: Convert to fraction form
    134,538.54/185,671.17 = 77,177.48/x
  3. Step 3: Cross multiply
    134,538.54x = 185,671.17 × 77,177.48
  4. Step 4: Simplify right side
    134,538.54x = 14,329,632,080.90
  5. Step 5: Solve for x
    x = 14,329,632,080.90/134,538.54
  6. Step 6: Final answer
    x = 106,509.50

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