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Finding the Fourth Proportional to 115,000.94, 172,446.84 and 40,111.99

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Solution

The fourth proportional to 115,000.94, 172,446.84 and 40,111.99 is: 60,148.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,000.94 : 172,446.84 = 40,111.99 : x
  2. Step 2: Convert to fraction form
    115,000.94/172,446.84 = 40,111.99/x
  3. Step 3: Cross multiply
    115,000.94x = 172,446.84 × 40,111.99
  4. Step 4: Simplify right side
    115,000.94x = 6,917,185,490.49
  5. Step 5: Solve for x
    x = 6,917,185,490.49/115,000.94
  6. Step 6: Final answer
    x = 60,148.95

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