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Finding the Fourth Proportional to 109,570.44, 151,070.10 and 91,447.32

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Solution

The fourth proportional to 109,570.44, 151,070.10 and 91,447.32 is: 126,082.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,570.44 : 151,070.10 = 91,447.32 : x
  2. Step 2: Convert to fraction form
    109,570.44/151,070.10 = 91,447.32/x
  3. Step 3: Cross multiply
    109,570.44x = 151,070.10 × 91,447.32
  4. Step 4: Simplify right side
    109,570.44x = 13,814,955,777.13
  5. Step 5: Solve for x
    x = 13,814,955,777.13/109,570.44
  6. Step 6: Final answer
    x = 126,082.87

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