Home / 143,030.55-197,371.22-82,573.59

Finding the Fourth Proportional to 143,030.55, 197,371.22 and 82,573.59

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Solution

The fourth proportional to 143,030.55, 197,371.22 and 82,573.59 is: 113,945.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,030.55 : 197,371.22 = 82,573.59 : x
  2. Step 2: Convert to fraction form
    143,030.55/197,371.22 = 82,573.59/x
  3. Step 3: Cross multiply
    143,030.55x = 197,371.22 × 82,573.59
  4. Step 4: Simplify right side
    143,030.55x = 16,297,649,785.21
  5. Step 5: Solve for x
    x = 16,297,649,785.21/143,030.55
  6. Step 6: Final answer
    x = 113,945.24

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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.