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Finding the Fourth Proportional to 115,074.80, 172,679.16 and 48,510.80

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Solution

The fourth proportional to 115,074.80, 172,679.16 and 48,510.80 is: 72,794.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,074.80 : 172,679.16 = 48,510.80 : x
  2. Step 2: Convert to fraction form
    115,074.80/172,679.16 = 48,510.80/x
  3. Step 3: Cross multiply
    115,074.80x = 172,679.16 × 48,510.80
  4. Step 4: Simplify right side
    115,074.80x = 8,376,804,194.93
  5. Step 5: Solve for x
    x = 8,376,804,194.93/115,074.80
  6. Step 6: Final answer
    x = 72,794.43

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