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Finding the Fourth Proportional to 134,411.52, 185,486.42 and 73,980.86

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Solution

The fourth proportional to 134,411.52, 185,486.42 and 73,980.86 is: 102,092.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,411.52 : 185,486.42 = 73,980.86 : x
  2. Step 2: Convert to fraction form
    134,411.52/185,486.42 = 73,980.86/x
  3. Step 3: Cross multiply
    134,411.52x = 185,486.42 × 73,980.86
  4. Step 4: Simplify right side
    134,411.52x = 13,722,445,170.80
  5. Step 5: Solve for x
    x = 13,722,445,170.80/134,411.52
  6. Step 6: Final answer
    x = 102,092.78

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