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Finding the Fourth Proportional to 253,142.32, 349,343.40 and 139,969.12

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Solution

The fourth proportional to 253,142.32, 349,343.40 and 139,969.12 is: 193,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,142.32 : 349,343.40 = 139,969.12 : x
  2. Step 2: Convert to fraction form
    253,142.32/349,343.40 = 139,969.12/x
  3. Step 3: Cross multiply
    253,142.32x = 349,343.40 × 139,969.12
  4. Step 4: Simplify right side
    253,142.32x = 48,897,288,275.81
  5. Step 5: Solve for x
    x = 48,897,288,275.81/253,142.32
  6. Step 6: Final answer
    x = 193,161.26

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