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Finding the Fourth Proportional to 103,666.91, 155,557.76 and 96,138.15

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Solution

The fourth proportional to 103,666.91, 155,557.76 and 96,138.15 is: 144,260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,666.91 : 155,557.76 = 96,138.15 : x
  2. Step 2: Convert to fraction form
    103,666.91/155,557.76 = 96,138.15/x
  3. Step 3: Cross multiply
    103,666.91x = 155,557.76 × 96,138.15
  4. Step 4: Simplify right side
    103,666.91x = 14,955,035,264.54
  5. Step 5: Solve for x
    x = 14,955,035,264.54/103,666.91
  6. Step 6: Final answer
    x = 144,260.45

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