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Finding the Fourth Proportional to 282,121.18, 423,254.67 and 104,678.80

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Solution

The fourth proportional to 282,121.18, 423,254.67 and 104,678.80 is: 157,045.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,121.18 : 423,254.67 = 104,678.80 : x
  2. Step 2: Convert to fraction form
    282,121.18/423,254.67 = 104,678.80/x
  3. Step 3: Cross multiply
    282,121.18x = 423,254.67 × 104,678.80
  4. Step 4: Simplify right side
    282,121.18x = 44,305,790,950.00
  5. Step 5: Solve for x
    x = 44,305,790,950.00/282,121.18
  6. Step 6: Final answer
    x = 157,045.25

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