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Finding the Fourth Proportional to 124,300.44, 186,378.66 and 84,905.16

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Solution

The fourth proportional to 124,300.44, 186,378.66 and 84,905.16 is: 127,308.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,300.44 : 186,378.66 = 84,905.16 : x
  2. Step 2: Convert to fraction form
    124,300.44/186,378.66 = 84,905.16/x
  3. Step 3: Cross multiply
    124,300.44x = 186,378.66 × 84,905.16
  4. Step 4: Simplify right side
    124,300.44x = 15,824,509,947.89
  5. Step 5: Solve for x
    x = 15,824,509,947.89/124,300.44
  6. Step 6: Final answer
    x = 127,308.56

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