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Finding the Fourth Proportional to 115,792.40, 173,645.40 and 45,657.20

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Solution

The fourth proportional to 115,792.40, 173,645.40 and 45,657.20 is: 68,468.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,792.40 : 173,645.40 = 45,657.20 : x
  2. Step 2: Convert to fraction form
    115,792.40/173,645.40 = 45,657.20/x
  3. Step 3: Cross multiply
    115,792.40x = 173,645.40 × 45,657.20
  4. Step 4: Simplify right side
    115,792.40x = 7,928,162,756.88
  5. Step 5: Solve for x
    x = 7,928,162,756.88/115,792.40
  6. Step 6: Final answer
    x = 68,468.77

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