Home / 258,103.88-356,121.04-150,612.56

Finding the Fourth Proportional to 258,103.88, 356,121.04 and 150,612.56

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Solution

The fourth proportional to 258,103.88, 356,121.04 and 150,612.56 is: 207,808.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,103.88 : 356,121.04 = 150,612.56 : x
  2. Step 2: Convert to fraction form
    258,103.88/356,121.04 = 150,612.56/x
  3. Step 3: Cross multiply
    258,103.88x = 356,121.04 × 150,612.56
  4. Step 4: Simplify right side
    258,103.88x = 53,636,301,504.26
  5. Step 5: Solve for x
    x = 53,636,301,504.26/258,103.88
  6. Step 6: Final answer
    x = 207,808.97

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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.