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Finding the Fourth Proportional to 105,105.40, 157,658.10 and 96,503.80

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Solution

The fourth proportional to 105,105.40, 157,658.10 and 96,503.80 is: 144,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,105.40 : 157,658.10 = 96,503.80 : x
  2. Step 2: Convert to fraction form
    105,105.40/157,658.10 = 96,503.80/x
  3. Step 3: Cross multiply
    105,105.40x = 157,658.10 × 96,503.80
  4. Step 4: Simplify right side
    105,105.40x = 15,214,605,750.78
  5. Step 5: Solve for x
    x = 15,214,605,750.78/105,105.40
  6. Step 6: Final answer
    x = 144,755.70

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