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Finding the Fourth Proportional to 113,873.80, 170,810.70 and 108,430.60

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Solution

The fourth proportional to 113,873.80, 170,810.70 and 108,430.60 is: 162,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,873.80 : 170,810.70 = 108,430.60 : x
  2. Step 2: Convert to fraction form
    113,873.80/170,810.70 = 108,430.60/x
  3. Step 3: Cross multiply
    113,873.80x = 170,810.70 × 108,430.60
  4. Step 4: Simplify right side
    113,873.80x = 18,521,106,687.42
  5. Step 5: Solve for x
    x = 18,521,106,687.42/113,873.80
  6. Step 6: Final answer
    x = 162,645.90

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