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Finding the Fourth Proportional to 124,495.20, 186,451.20 and 84,837.60

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Solution

The fourth proportional to 124,495.20, 186,451.20 and 84,837.60 is: 127,057.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,495.20 : 186,451.20 = 84,837.60 : x
  2. Step 2: Convert to fraction form
    124,495.20/186,451.20 = 84,837.60/x
  3. Step 3: Cross multiply
    124,495.20x = 186,451.20 × 84,837.60
  4. Step 4: Simplify right side
    124,495.20x = 15,818,072,325.12
  5. Step 5: Solve for x
    x = 15,818,072,325.12/124,495.20
  6. Step 6: Final answer
    x = 127,057.69

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