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Finding the Fourth Proportional to 140,055.70, 210,037.83 and 45,263.61

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Solution

The fourth proportional to 140,055.70, 210,037.83 and 45,263.61 is: 67,880.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,055.70 : 210,037.83 = 45,263.61 : x
  2. Step 2: Convert to fraction form
    140,055.70/210,037.83 = 45,263.61/x
  3. Step 3: Cross multiply
    140,055.70x = 210,037.83 × 45,263.61
  4. Step 4: Simplify right side
    140,055.70x = 9,507,070,422.37
  5. Step 5: Solve for x
    x = 9,507,070,422.37/140,055.70
  6. Step 6: Final answer
    x = 67,880.64

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