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Finding the Fourth Proportional to 105,048.45, 157,441.27 and 52,472.61

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Solution

The fourth proportional to 105,048.45, 157,441.27 and 52,472.61 is: 78,643.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,048.45 : 157,441.27 = 52,472.61 : x
  2. Step 2: Convert to fraction form
    105,048.45/157,441.27 = 52,472.61/x
  3. Step 3: Cross multiply
    105,048.45x = 157,441.27 × 52,472.61
  4. Step 4: Simplify right side
    105,048.45x = 8,261,354,358.61
  5. Step 5: Solve for x
    x = 8,261,354,358.61/105,048.45
  6. Step 6: Final answer
    x = 78,643.28

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