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Finding the Fourth Proportional to 251,017.56, 346,406.64 and 137,842.68

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Solution

The fourth proportional to 251,017.56, 346,406.64 and 137,842.68 is: 190,224.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,017.56 : 346,406.64 = 137,842.68 : x
  2. Step 2: Convert to fraction form
    251,017.56/346,406.64 = 137,842.68/x
  3. Step 3: Cross multiply
    251,017.56x = 346,406.64 × 137,842.68
  4. Step 4: Simplify right side
    251,017.56x = 47,749,619,627.40
  5. Step 5: Solve for x
    x = 47,749,619,627.40/251,017.56
  6. Step 6: Final answer
    x = 190,224.22

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