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Finding the Fourth Proportional to 253,451, 349,756.98 and 138,729.62

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Solution

The fourth proportional to 253,451, 349,756.98 and 138,729.62 is: 191,443.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,451 : 349,756.98 = 138,729.62 : x
  2. Step 2: Convert to fraction form
    253,451/349,756.98 = 138,729.62/x
  3. Step 3: Cross multiply
    253,451x = 349,756.98 × 138,729.62
  4. Step 4: Simplify right side
    253,451x = 48,521,652,927.75
  5. Step 5: Solve for x
    x = 48,521,652,927.75/253,451
  6. Step 6: Final answer
    x = 191,443.92

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