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Finding the Fourth Proportional to 115,429.30, 173,143.95 and 115,429.30

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Solution

The fourth proportional to 115,429.30, 173,143.95 and 115,429.30 is: 173,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,429.30 : 173,143.95 = 115,429.30 : x
  2. Step 2: Convert to fraction form
    115,429.30/173,143.95 = 115,429.30/x
  3. Step 3: Cross multiply
    115,429.30x = 173,143.95 × 115,429.30
  4. Step 4: Simplify right side
    115,429.30x = 19,985,884,947.74
  5. Step 5: Solve for x
    x = 19,985,884,947.74/115,429.30
  6. Step 6: Final answer
    x = 173,143.95

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