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Finding the Fourth Proportional to 115,434.80, 173,152.20 and 53,226.80

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Solution

The fourth proportional to 115,434.80, 173,152.20 and 53,226.80 is: 79,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,434.80 : 173,152.20 = 53,226.80 : x
  2. Step 2: Convert to fraction form
    115,434.80/173,152.20 = 53,226.80/x
  3. Step 3: Cross multiply
    115,434.80x = 173,152.20 × 53,226.80
  4. Step 4: Simplify right side
    115,434.80x = 9,216,337,518.96
  5. Step 5: Solve for x
    x = 9,216,337,518.96/115,434.80
  6. Step 6: Final answer
    x = 79,840.20

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