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Finding the Fourth Proportional to 163,765.20, 245,647.80 and 45,436.56

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Solution

The fourth proportional to 163,765.20, 245,647.80 and 45,436.56 is: 68,154.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,765.20 : 245,647.80 = 45,436.56 : x
  2. Step 2: Convert to fraction form
    163,765.20/245,647.80 = 45,436.56/x
  3. Step 3: Cross multiply
    163,765.20x = 245,647.80 × 45,436.56
  4. Step 4: Simplify right side
    163,765.20x = 11,161,391,003.57
  5. Step 5: Solve for x
    x = 11,161,391,003.57/163,765.20
  6. Step 6: Final answer
    x = 68,154.84

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