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Finding the Fourth Proportional to 106,870.48, 147,480.60 and 59,122.80

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Solution

The fourth proportional to 106,870.48, 147,480.60 and 59,122.80 is: 81,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,870.48 : 147,480.60 = 59,122.80 : x
  2. Step 2: Convert to fraction form
    106,870.48/147,480.60 = 59,122.80/x
  3. Step 3: Cross multiply
    106,870.48x = 147,480.60 × 59,122.80
  4. Step 4: Simplify right side
    106,870.48x = 8,719,466,017.68
  5. Step 5: Solve for x
    x = 8,719,466,017.68/106,870.48
  6. Step 6: Final answer
    x = 81,589.10

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