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Finding the Fourth Proportional to 109,678.46, 151,356.34 and 59,377.46

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Solution

The fourth proportional to 109,678.46, 151,356.34 and 59,377.46 is: 81,940.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,678.46 : 151,356.34 = 59,377.46 : x
  2. Step 2: Convert to fraction form
    109,678.46/151,356.34 = 59,377.46/x
  3. Step 3: Cross multiply
    109,678.46x = 151,356.34 × 59,377.46
  4. Step 4: Simplify right side
    109,678.46x = 8,987,155,024.10
  5. Step 5: Solve for x
    x = 8,987,155,024.10/109,678.46
  6. Step 6: Final answer
    x = 81,940.93

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