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Finding the Fourth Proportional to 127,724.80, 191,587.20 and 48,841.60

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Solution

The fourth proportional to 127,724.80, 191,587.20 and 48,841.60 is: 73,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,724.80 : 191,587.20 = 48,841.60 : x
  2. Step 2: Convert to fraction form
    127,724.80/191,587.20 = 48,841.60/x
  3. Step 3: Cross multiply
    127,724.80x = 191,587.20 × 48,841.60
  4. Step 4: Simplify right side
    127,724.80x = 9,357,425,387.52
  5. Step 5: Solve for x
    x = 9,357,425,387.52/127,724.80
  6. Step 6: Final answer
    x = 73,262.40

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