Home / 141,800.31-195,688.61-78,142.20

Finding the Fourth Proportional to 141,800.31, 195,688.61 and 78,142.20

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Solution

The fourth proportional to 141,800.31, 195,688.61 and 78,142.20 is: 107,838.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,800.31 : 195,688.61 = 78,142.20 : x
  2. Step 2: Convert to fraction form
    141,800.31/195,688.61 = 78,142.20/x
  3. Step 3: Cross multiply
    141,800.31x = 195,688.61 × 78,142.20
  4. Step 4: Simplify right side
    141,800.31x = 15,291,538,109.63
  5. Step 5: Solve for x
    x = 15,291,538,109.63/141,800.31
  6. Step 6: Final answer
    x = 107,838.54

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