Home / 259,562.32-389,341.18-82,069.46

Finding the Fourth Proportional to 259,562.32, 389,341.18 and 82,069.46

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Solution

The fourth proportional to 259,562.32, 389,341.18 and 82,069.46 is: 123,103.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,562.32 : 389,341.18 = 82,069.46 : x
  2. Step 2: Convert to fraction form
    259,562.32/389,341.18 = 82,069.46/x
  3. Step 3: Cross multiply
    259,562.32x = 389,341.18 × 82,069.46
  4. Step 4: Simplify right side
    259,562.32x = 31,953,020,398.36
  5. Step 5: Solve for x
    x = 31,953,020,398.36/259,562.32
  6. Step 6: Final answer
    x = 123,103.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.