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Finding the Fourth Proportional to 212,977.37, 319,662.95 and 107,870.15

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Solution

The fourth proportional to 212,977.37, 319,662.95 and 107,870.15 is: 161,904.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,977.37 : 319,662.95 = 107,870.15 : x
  2. Step 2: Convert to fraction form
    212,977.37/319,662.95 = 107,870.15/x
  3. Step 3: Cross multiply
    212,977.37x = 319,662.95 × 107,870.15
  4. Step 4: Simplify right side
    212,977.37x = 34,482,088,228.28
  5. Step 5: Solve for x
    x = 34,482,088,228.28/212,977.37
  6. Step 6: Final answer
    x = 161,904.94

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