Home / 150,257.22-207,355.30-81,347.41

Finding the Fourth Proportional to 150,257.22, 207,355.30 and 81,347.41

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Solution

The fourth proportional to 150,257.22, 207,355.30 and 81,347.41 is: 112,259.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,257.22 : 207,355.30 = 81,347.41 : x
  2. Step 2: Convert to fraction form
    150,257.22/207,355.30 = 81,347.41/x
  3. Step 3: Cross multiply
    150,257.22x = 207,355.30 × 81,347.41
  4. Step 4: Simplify right side
    150,257.22x = 16,867,816,923.97
  5. Step 5: Solve for x
    x = 16,867,816,923.97/150,257.22
  6. Step 6: Final answer
    x = 112,259.61

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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.