Home / 143,230.88-197,663.79-82,820.48

Finding the Fourth Proportional to 143,230.88, 197,663.79 and 82,820.48

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Solution

The fourth proportional to 143,230.88, 197,663.79 and 82,820.48 is: 114,295.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,230.88 : 197,663.79 = 82,820.48 : x
  2. Step 2: Convert to fraction form
    143,230.88/197,663.79 = 82,820.48/x
  3. Step 3: Cross multiply
    143,230.88x = 197,663.79 × 82,820.48
  4. Step 4: Simplify right side
    143,230.88x = 16,370,609,288.68
  5. Step 5: Solve for x
    x = 16,370,609,288.68/143,230.88
  6. Step 6: Final answer
    x = 114,295.25

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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.