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Finding the Fourth Proportional to 250,449.32, 345,618.10 and 137,271.80

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Solution

The fourth proportional to 250,449.32, 345,618.10 and 137,271.80 is: 189,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,449.32 : 345,618.10 = 137,271.80 : x
  2. Step 2: Convert to fraction form
    250,449.32/345,618.10 = 137,271.80/x
  3. Step 3: Cross multiply
    250,449.32x = 345,618.10 × 137,271.80
  4. Step 4: Simplify right side
    250,449.32x = 47,443,618,699.58
  5. Step 5: Solve for x
    x = 47,443,618,699.58/250,449.32
  6. Step 6: Final answer
    x = 189,434.01

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