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Finding the Fourth Proportional to 124,420.40, 186,630.60 and 104,980.40

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Solution

The fourth proportional to 124,420.40, 186,630.60 and 104,980.40 is: 157,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,420.40 : 186,630.60 = 104,980.40 : x
  2. Step 2: Convert to fraction form
    124,420.40/186,630.60 = 104,980.40/x
  3. Step 3: Cross multiply
    124,420.40x = 186,630.60 × 104,980.40
  4. Step 4: Simplify right side
    124,420.40x = 19,592,555,040.24
  5. Step 5: Solve for x
    x = 19,592,555,040.24/124,420.40
  6. Step 6: Final answer
    x = 157,470.60

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