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Finding the Fourth Proportional to 174,491.80, 261,737.70 and 79,721.80

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Solution

The fourth proportional to 174,491.80, 261,737.70 and 79,721.80 is: 119,582.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,491.80 : 261,737.70 = 79,721.80 : x
  2. Step 2: Convert to fraction form
    174,491.80/261,737.70 = 79,721.80/x
  3. Step 3: Cross multiply
    174,491.80x = 261,737.70 × 79,721.80
  4. Step 4: Simplify right side
    174,491.80x = 20,866,200,571.86
  5. Step 5: Solve for x
    x = 20,866,200,571.86/174,491.80
  6. Step 6: Final answer
    x = 119,582.70

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