Home / 75,132.90-103,680.20-41,140.78

Finding the Fourth Proportional to 75,132.90, 103,680.20 and 41,140.78

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Solution

The fourth proportional to 75,132.90, 103,680.20 and 41,140.78 is: 56,772.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,132.90 : 103,680.20 = 41,140.78 : x
  2. Step 2: Convert to fraction form
    75,132.90/103,680.20 = 41,140.78/x
  3. Step 3: Cross multiply
    75,132.90x = 103,680.20 × 41,140.78
  4. Step 4: Simplify right side
    75,132.90x = 4,265,484,298.56
  5. Step 5: Solve for x
    x = 4,265,484,298.56/75,132.90
  6. Step 6: Final answer
    x = 56,772.52

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