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Finding the Fourth Proportional to 101,894.40, 152,841.60 and 68,716.80

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Solution

The fourth proportional to 101,894.40, 152,841.60 and 68,716.80 is: 103,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,894.40 : 152,841.60 = 68,716.80 : x
  2. Step 2: Convert to fraction form
    101,894.40/152,841.60 = 68,716.80/x
  3. Step 3: Cross multiply
    101,894.40x = 152,841.60 × 68,716.80
  4. Step 4: Simplify right side
    101,894.40x = 10,502,785,658.88
  5. Step 5: Solve for x
    x = 10,502,785,658.88/101,894.40
  6. Step 6: Final answer
    x = 103,075.20

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