Home / 259,972.42-389,972.48-82,493.32

Finding the Fourth Proportional to 259,972.42, 389,972.48 and 82,493.32

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Solution

The fourth proportional to 259,972.42, 389,972.48 and 82,493.32 is: 123,744.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,972.42 : 389,972.48 = 82,493.32 : x
  2. Step 2: Convert to fraction form
    259,972.42/389,972.48 = 82,493.32/x
  3. Step 3: Cross multiply
    259,972.42x = 389,972.48 × 82,493.32
  4. Step 4: Simplify right side
    259,972.42x = 32,170,124,583.83
  5. Step 5: Solve for x
    x = 32,170,124,583.83/259,972.42
  6. Step 6: Final answer
    x = 123,744.37

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1.5x scale

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.