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Finding the Fourth Proportional to 313,135.32, 469,774.62 and 135,671.88

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Solution

The fourth proportional to 313,135.32, 469,774.62 and 135,671.88 is: 203,538.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,135.32 : 469,774.62 = 135,671.88 : x
  2. Step 2: Convert to fraction form
    313,135.32/469,774.62 = 135,671.88/x
  3. Step 3: Cross multiply
    313,135.32x = 469,774.62 × 135,671.88
  4. Step 4: Simplify right side
    313,135.32x = 63,735,205,871.69
  5. Step 5: Solve for x
    x = 63,735,205,871.69/313,135.32
  6. Step 6: Final answer
    x = 203,538.86

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