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Finding the Fourth Proportional to 98,871.24, 136,454.30 and 55,852.55

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Solution

The fourth proportional to 98,871.24, 136,454.30 and 55,852.55 is: 77,083.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,871.24 : 136,454.30 = 55,852.55 : x
  2. Step 2: Convert to fraction form
    98,871.24/136,454.30 = 55,852.55/x
  3. Step 3: Cross multiply
    98,871.24x = 136,454.30 × 55,852.55
  4. Step 4: Simplify right side
    98,871.24x = 7,621,320,613.47
  5. Step 5: Solve for x
    x = 7,621,320,613.47/98,871.24
  6. Step 6: Final answer
    x = 77,083.29

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