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Finding the Fourth Proportional to 124,822.65, 187,215.51 and 45,918.43

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Solution

The fourth proportional to 124,822.65, 187,215.51 and 45,918.43 is: 68,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,822.65 : 187,215.51 = 45,918.43 : x
  2. Step 2: Convert to fraction form
    124,822.65/187,215.51 = 45,918.43/x
  3. Step 3: Cross multiply
    124,822.65x = 187,215.51 × 45,918.43
  4. Step 4: Simplify right side
    124,822.65x = 8,596,641,995.00
  5. Step 5: Solve for x
    x = 8,596,641,995.00/124,822.65
  6. Step 6: Final answer
    x = 68,870.85

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