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Finding the Fourth Proportional to 107,465.80, 161,141.10 and 45,065.80

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Solution

The fourth proportional to 107,465.80, 161,141.10 and 45,065.80 is: 67,574.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,465.80 : 161,141.10 = 45,065.80 : x
  2. Step 2: Convert to fraction form
    107,465.80/161,141.10 = 45,065.80/x
  3. Step 3: Cross multiply
    107,465.80x = 161,141.10 × 45,065.80
  4. Step 4: Simplify right side
    107,465.80x = 7,261,952,584.38
  5. Step 5: Solve for x
    x = 7,261,952,584.38/107,465.80
  6. Step 6: Final answer
    x = 67,574.55

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