Home / 156,928.80-216,559.19-85,310.63

Finding the Fourth Proportional to 156,928.80, 216,559.19 and 85,310.63

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Solution

The fourth proportional to 156,928.80, 216,559.19 and 85,310.63 is: 117,727.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,928.80 : 216,559.19 = 85,310.63 : x
  2. Step 2: Convert to fraction form
    156,928.80/216,559.19 = 85,310.63/x
  3. Step 3: Cross multiply
    156,928.80x = 216,559.19 × 85,310.63
  4. Step 4: Simplify right side
    156,928.80x = 18,474,800,061.67
  5. Step 5: Solve for x
    x = 18,474,800,061.67/156,928.80
  6. Step 6: Final answer
    x = 117,727.28

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