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Finding the Fourth Proportional to 92,995.16, 128,288.22 and 55,242.68

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Solution

The fourth proportional to 92,995.16, 128,288.22 and 55,242.68 is: 76,208.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,995.16 : 128,288.22 = 55,242.68 : x
  2. Step 2: Convert to fraction form
    92,995.16/128,288.22 = 55,242.68/x
  3. Step 3: Cross multiply
    92,995.16x = 128,288.22 × 55,242.68
  4. Step 4: Simplify right side
    92,995.16x = 7,086,985,085.23
  5. Step 5: Solve for x
    x = 7,086,985,085.23/92,995.16
  6. Step 6: Final answer
    x = 76,208.11

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