Home / 115,927.20-173,890.80-74,455.20

Finding the Fourth Proportional to 115,927.20, 173,890.80 and 74,455.20

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Solution

The fourth proportional to 115,927.20, 173,890.80 and 74,455.20 is: 111,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,927.20 : 173,890.80 = 74,455.20 : x
  2. Step 2: Convert to fraction form
    115,927.20/173,890.80 = 74,455.20/x
  3. Step 3: Cross multiply
    115,927.20x = 173,890.80 × 74,455.20
  4. Step 4: Simplify right side
    115,927.20x = 12,947,074,292.16
  5. Step 5: Solve for x
    x = 12,947,074,292.16/115,927.20
  6. Step 6: Final answer
    x = 111,682.80

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