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Finding the Fourth Proportional to 123,392.16, 170,284.64 and 69,685.24

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Solution

The fourth proportional to 123,392.16, 170,284.64 and 69,685.24 is: 96,167.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,392.16 : 170,284.64 = 69,685.24 : x
  2. Step 2: Convert to fraction form
    123,392.16/170,284.64 = 69,685.24/x
  3. Step 3: Cross multiply
    123,392.16x = 170,284.64 × 69,685.24
  4. Step 4: Simplify right side
    123,392.16x = 11,866,326,006.71
  5. Step 5: Solve for x
    x = 11,866,326,006.71/123,392.16
  6. Step 6: Final answer
    x = 96,167.58

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