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Finding the Fourth Proportional to 127,918.72, 191,768.64 and 49,089.52

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Solution

The fourth proportional to 127,918.72, 191,768.64 and 49,089.52 is: 73,592.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,918.72 : 191,768.64 = 49,089.52 : x
  2. Step 2: Convert to fraction form
    127,918.72/191,768.64 = 49,089.52/x
  3. Step 3: Cross multiply
    127,918.72x = 191,768.64 × 49,089.52
  4. Step 4: Simplify right side
    127,918.72x = 9,413,830,488.65
  5. Step 5: Solve for x
    x = 9,413,830,488.65/127,918.72
  6. Step 6: Final answer
    x = 73,592.28

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