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Finding the Fourth Proportional to 187,699.95, 258,963.92 and 115,075.95

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Solution

The fourth proportional to 187,699.95, 258,963.92 and 115,075.95 is: 158,766.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,699.95 : 258,963.92 = 115,075.95 : x
  2. Step 2: Convert to fraction form
    187,699.95/258,963.92 = 115,075.95/x
  3. Step 3: Cross multiply
    187,699.95x = 258,963.92 × 115,075.95
  4. Step 4: Simplify right side
    187,699.95x = 29,800,518,534.34
  5. Step 5: Solve for x
    x = 29,800,518,534.34/187,699.95
  6. Step 6: Final answer
    x = 158,766.79

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