Home / 151,142.24-208,576.26-83,157.72

Finding the Fourth Proportional to 151,142.24, 208,576.26 and 83,157.72

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Solution

The fourth proportional to 151,142.24, 208,576.26 and 83,157.72 is: 114,757.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,142.24 : 208,576.26 = 83,157.72 : x
  2. Step 2: Convert to fraction form
    151,142.24/208,576.26 = 83,157.72/x
  3. Step 3: Cross multiply
    151,142.24x = 208,576.26 × 83,157.72
  4. Step 4: Simplify right side
    151,142.24x = 17,344,726,227.73
  5. Step 5: Solve for x
    x = 17,344,726,227.73/151,142.24
  6. Step 6: Final answer
    x = 114,757.64

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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.