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Finding the Fourth Proportional to 135,467.34, 186,947.94 and 77,322.90

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Solution

The fourth proportional to 135,467.34, 186,947.94 and 77,322.90 is: 106,707.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,467.34 : 186,947.94 = 77,322.90 : x
  2. Step 2: Convert to fraction form
    135,467.34/186,947.94 = 77,322.90/x
  3. Step 3: Cross multiply
    135,467.34x = 186,947.94 × 77,322.90
  4. Step 4: Simplify right side
    135,467.34x = 14,455,356,869.83
  5. Step 5: Solve for x
    x = 14,455,356,869.83/135,467.34
  6. Step 6: Final answer
    x = 106,707.32

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