Home / 208,760.14-288,090.84-113,268.73

Finding the Fourth Proportional to 208,760.14, 288,090.84 and 113,268.73

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Solution

The fourth proportional to 208,760.14, 288,090.84 and 113,268.73 is: 156,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,760.14 : 288,090.84 = 113,268.73 : x
  2. Step 2: Convert to fraction form
    208,760.14/288,090.84 = 113,268.73/x
  3. Step 3: Cross multiply
    208,760.14x = 288,090.84 × 113,268.73
  4. Step 4: Simplify right side
    208,760.14x = 32,631,683,571.43
  5. Step 5: Solve for x
    x = 32,631,683,571.43/208,760.14
  6. Step 6: Final answer
    x = 156,311.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.