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Finding the Fourth Proportional to 105,335.20, 158,002.80 and 98,423.20

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Solution

The fourth proportional to 105,335.20, 158,002.80 and 98,423.20 is: 147,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,335.20 : 158,002.80 = 98,423.20 : x
  2. Step 2: Convert to fraction form
    105,335.20/158,002.80 = 98,423.20/x
  3. Step 3: Cross multiply
    105,335.20x = 158,002.80 × 98,423.20
  4. Step 4: Simplify right side
    105,335.20x = 15,551,141,184.96
  5. Step 5: Solve for x
    x = 15,551,141,184.96/105,335.20
  6. Step 6: Final answer
    x = 147,634.80

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