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Finding the Fourth Proportional to 124,042.80, 186,064.20 and 113,545.20

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Solution

The fourth proportional to 124,042.80, 186,064.20 and 113,545.20 is: 170,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,042.80 : 186,064.20 = 113,545.20 : x
  2. Step 2: Convert to fraction form
    124,042.80/186,064.20 = 113,545.20/x
  3. Step 3: Cross multiply
    124,042.80x = 186,064.20 × 113,545.20
  4. Step 4: Simplify right side
    124,042.80x = 21,126,696,801.84
  5. Step 5: Solve for x
    x = 21,126,696,801.84/124,042.80
  6. Step 6: Final answer
    x = 170,317.80

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