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Finding the Fourth Proportional to 113,898.30, 170,847.45 and 54,719.70

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Solution

The fourth proportional to 113,898.30, 170,847.45 and 54,719.70 is: 82,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,898.30 : 170,847.45 = 54,719.70 : x
  2. Step 2: Convert to fraction form
    113,898.30/170,847.45 = 54,719.70/x
  3. Step 3: Cross multiply
    113,898.30x = 170,847.45 × 54,719.70
  4. Step 4: Simplify right side
    113,898.30x = 9,348,721,209.77
  5. Step 5: Solve for x
    x = 9,348,721,209.77/113,898.30
  6. Step 6: Final answer
    x = 82,079.55

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