Home / 115,268.64-172,902.96-89,011.68

Finding the Fourth Proportional to 115,268.64, 172,902.96 and 89,011.68

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Solution

The fourth proportional to 115,268.64, 172,902.96 and 89,011.68 is: 133,517.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,268.64 : 172,902.96 = 89,011.68 : x
  2. Step 2: Convert to fraction form
    115,268.64/172,902.96 = 89,011.68/x
  3. Step 3: Cross multiply
    115,268.64x = 172,902.96 × 89,011.68
  4. Step 4: Simplify right side
    115,268.64x = 15,390,382,946.57
  5. Step 5: Solve for x
    x = 15,390,382,946.57/115,268.64
  6. Step 6: Final answer
    x = 133,517.52

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