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Finding the Fourth Proportional to 278,145.51, 417,080.21 and 88,581.16

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Solution

The fourth proportional to 278,145.51, 417,080.21 and 88,581.16 is: 132,827.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,145.51 : 417,080.21 = 88,581.16 : x
  2. Step 2: Convert to fraction form
    278,145.51/417,080.21 = 88,581.16/x
  3. Step 3: Cross multiply
    278,145.51x = 417,080.21 × 88,581.16
  4. Step 4: Simplify right side
    278,145.51x = 36,945,447,993.60
  5. Step 5: Solve for x
    x = 36,945,447,993.60/278,145.51
  6. Step 6: Final answer
    x = 132,827.77

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