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Finding the Fourth Proportional to 246,300.99, 339,895.85 and 138,870.78

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Solution

The fourth proportional to 246,300.99, 339,895.85 and 138,870.78 is: 191,641.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,300.99 : 339,895.85 = 138,870.78 : x
  2. Step 2: Convert to fraction form
    246,300.99/339,895.85 = 138,870.78/x
  3. Step 3: Cross multiply
    246,300.99x = 339,895.85 × 138,870.78
  4. Step 4: Simplify right side
    246,300.99x = 47,201,601,113.91
  5. Step 5: Solve for x
    x = 47,201,601,113.91/246,300.99
  6. Step 6: Final answer
    x = 191,641.95

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