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Finding the Fourth Proportional to 113,878.40, 170,813.55 and 51,548.90

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Solution

The fourth proportional to 113,878.40, 170,813.55 and 51,548.90 is: 77,321.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,878.40 : 170,813.55 = 51,548.90 : x
  2. Step 2: Convert to fraction form
    113,878.40/170,813.55 = 51,548.90/x
  3. Step 3: Cross multiply
    113,878.40x = 170,813.55 × 51,548.90
  4. Step 4: Simplify right side
    113,878.40x = 8,805,250,607.60
  5. Step 5: Solve for x
    x = 8,805,250,607.60/113,878.40
  6. Step 6: Final answer
    x = 77,321.52

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