Home / 143,205.85-197,579.59-82,754.47

Finding the Fourth Proportional to 143,205.85, 197,579.59 and 82,754.47

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Solution

The fourth proportional to 143,205.85, 197,579.59 and 82,754.47 is: 114,175.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,205.85 : 197,579.59 = 82,754.47 : x
  2. Step 2: Convert to fraction form
    143,205.85/197,579.59 = 82,754.47/x
  3. Step 3: Cross multiply
    143,205.85x = 197,579.59 × 82,754.47
  4. Step 4: Simplify right side
    143,205.85x = 16,350,594,253.27
  5. Step 5: Solve for x
    x = 16,350,594,253.27/143,205.85
  6. Step 6: Final answer
    x = 114,175.46

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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.