Home / 231,819.20-347,534.40-121,011.20

Finding the Fourth Proportional to 231,819.20, 347,534.40 and 121,011.20

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Solution

The fourth proportional to 231,819.20, 347,534.40 and 121,011.20 is: 181,415.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,819.20 : 347,534.40 = 121,011.20 : x
  2. Step 2: Convert to fraction form
    231,819.20/347,534.40 = 121,011.20/x
  3. Step 3: Cross multiply
    231,819.20x = 347,534.40 × 121,011.20
  4. Step 4: Simplify right side
    231,819.20x = 42,055,554,785.28
  5. Step 5: Solve for x
    x = 42,055,554,785.28/231,819.20
  6. Step 6: Final answer
    x = 181,415.32

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