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Finding the Fourth Proportional to 127,612.40, 191,277.57 and 52,691.24

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Solution

The fourth proportional to 127,612.40, 191,277.57 and 52,691.24 is: 78,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,612.40 : 191,277.57 = 52,691.24 : x
  2. Step 2: Convert to fraction form
    127,612.40/191,277.57 = 52,691.24/x
  3. Step 3: Cross multiply
    127,612.40x = 191,277.57 × 52,691.24
  4. Step 4: Simplify right side
    127,612.40x = 10,078,652,347.49
  5. Step 5: Solve for x
    x = 10,078,652,347.49/127,612.40
  6. Step 6: Final answer
    x = 78,978.63

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