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Finding the Fourth Proportional to 124,432.90, 186,390.15 and 103,696.90

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Solution

The fourth proportional to 124,432.90, 186,390.15 and 103,696.90 is: 155,329.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,432.90 : 186,390.15 = 103,696.90 : x
  2. Step 2: Convert to fraction form
    124,432.90/186,390.15 = 103,696.90/x
  3. Step 3: Cross multiply
    124,432.90x = 186,390.15 × 103,696.90
  4. Step 4: Simplify right side
    124,432.90x = 19,328,080,745.54
  5. Step 5: Solve for x
    x = 19,328,080,745.54/124,432.90
  6. Step 6: Final answer
    x = 155,329.34

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