Home / 239,418.92-330,398.16-137,451.03

Finding the Fourth Proportional to 239,418.92, 330,398.16 and 137,451.03

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Solution

The fourth proportional to 239,418.92, 330,398.16 and 137,451.03 is: 189,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,418.92 : 330,398.16 = 137,451.03 : x
  2. Step 2: Convert to fraction form
    239,418.92/330,398.16 = 137,451.03/x
  3. Step 3: Cross multiply
    239,418.92x = 330,398.16 × 137,451.03
  4. Step 4: Simplify right side
    239,418.92x = 45,413,565,647.67
  5. Step 5: Solve for x
    x = 45,413,565,647.67/239,418.92
  6. Step 6: Final answer
    x = 189,682.44

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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.