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Finding the Fourth Proportional to 107,465.82, 161,323.28 and 57,643.23

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Solution

The fourth proportional to 107,465.82, 161,323.28 and 57,643.23 is: 86,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,465.82 : 161,323.28 = 57,643.23 : x
  2. Step 2: Convert to fraction form
    107,465.82/161,323.28 = 57,643.23/x
  3. Step 3: Cross multiply
    107,465.82x = 161,323.28 × 57,643.23
  4. Step 4: Simplify right side
    107,465.82x = 9,299,194,645.18
  5. Step 5: Solve for x
    x = 9,299,194,645.18/107,465.82
  6. Step 6: Final answer
    x = 86,531.65

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