Home / 231,345.28-319,128.96-159,762.88

Finding the Fourth Proportional to 231,345.28, 319,128.96 and 159,762.88

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Solution

The fourth proportional to 231,345.28, 319,128.96 and 159,762.88 is: 220,384.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,345.28 : 319,128.96 = 159,762.88 : x
  2. Step 2: Convert to fraction form
    231,345.28/319,128.96 = 159,762.88/x
  3. Step 3: Cross multiply
    231,345.28x = 319,128.96 × 159,762.88
  4. Step 4: Simplify right side
    231,345.28x = 50,984,961,741.00
  5. Step 5: Solve for x
    x = 50,984,961,741.00/231,345.28
  6. Step 6: Final answer
    x = 220,384.71

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