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Finding the Fourth Proportional to 115,500.40, 173,315.40 and 48,929.20

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Solution

The fourth proportional to 115,500.40, 173,315.40 and 48,929.20 is: 73,421.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,500.40 : 173,315.40 = 48,929.20 : x
  2. Step 2: Convert to fraction form
    115,500.40/173,315.40 = 48,929.20/x
  3. Step 3: Cross multiply
    115,500.40x = 173,315.40 × 48,929.20
  4. Step 4: Simplify right side
    115,500.40x = 8,480,183,869.68
  5. Step 5: Solve for x
    x = 8,480,183,869.68/115,500.40
  6. Step 6: Final answer
    x = 73,421.25

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