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Finding the Fourth Proportional to 159,820.31, 239,688.95 and 47,474.12

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Solution

The fourth proportional to 159,820.31, 239,688.95 and 47,474.12 is: 71,198.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,820.31 : 239,688.95 = 47,474.12 : x
  2. Step 2: Convert to fraction form
    159,820.31/239,688.95 = 47,474.12/x
  3. Step 3: Cross multiply
    159,820.31x = 239,688.95 × 47,474.12
  4. Step 4: Simplify right side
    159,820.31x = 11,379,020,539.16
  5. Step 5: Solve for x
    x = 11,379,020,539.16/159,820.31
  6. Step 6: Final answer
    x = 71,198.84

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