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Finding the Fourth Proportional to 123,271.16, 170,114.02 and 66,682.58

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Solution

The fourth proportional to 123,271.16, 170,114.02 and 66,682.58 is: 92,021.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,271.16 : 170,114.02 = 66,682.58 : x
  2. Step 2: Convert to fraction form
    123,271.16/170,114.02 = 66,682.58/x
  3. Step 3: Cross multiply
    123,271.16x = 170,114.02 × 66,682.58
  4. Step 4: Simplify right side
    123,271.16x = 11,343,640,730.50
  5. Step 5: Solve for x
    x = 11,343,640,730.50/123,271.16
  6. Step 6: Final answer
    x = 92,021.86

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