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Finding the Fourth Proportional to 103,038.80, 154,363.80 and 96,040.40

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Solution

The fourth proportional to 103,038.80, 154,363.80 and 96,040.40 is: 143,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,038.80 : 154,363.80 = 96,040.40 : x
  2. Step 2: Convert to fraction form
    103,038.80/154,363.80 = 96,040.40/x
  3. Step 3: Cross multiply
    103,038.80x = 154,363.80 × 96,040.40
  4. Step 4: Simplify right side
    103,038.80x = 14,825,161,097.52
  5. Step 5: Solve for x
    x = 14,825,161,097.52/103,038.80
  6. Step 6: Final answer
    x = 143,879.40

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