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Finding the Fourth Proportional to 105,339.60, 158,009.40 and 96,008.40

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Solution

The fourth proportional to 105,339.60, 158,009.40 and 96,008.40 is: 144,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,339.60 : 158,009.40 = 96,008.40 : x
  2. Step 2: Convert to fraction form
    105,339.60/158,009.40 = 96,008.40/x
  3. Step 3: Cross multiply
    105,339.60x = 158,009.40 × 96,008.40
  4. Step 4: Simplify right side
    105,339.60x = 15,170,229,678.96
  5. Step 5: Solve for x
    x = 15,170,229,678.96/105,339.60
  6. Step 6: Final answer
    x = 144,012.60

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