Home / 135,845.76-187,656.16-129,202.72

Finding the Fourth Proportional to 135,845.76, 187,656.16 and 129,202.72

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Solution

The fourth proportional to 135,845.76, 187,656.16 and 129,202.72 is: 178,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,845.76 : 187,656.16 = 129,202.72 : x
  2. Step 2: Convert to fraction form
    135,845.76/187,656.16 = 129,202.72/x
  3. Step 3: Cross multiply
    135,845.76x = 187,656.16 × 129,202.72
  4. Step 4: Simplify right side
    135,845.76x = 24,245,686,296.76
  5. Step 5: Solve for x
    x = 24,245,686,296.76/135,845.76
  6. Step 6: Final answer
    x = 178,479.52

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