Home / 131,612.87-181,625.22-71,183.58

Finding the Fourth Proportional to 131,612.87, 181,625.22 and 71,183.58

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Solution

The fourth proportional to 131,612.87, 181,625.22 and 71,183.58 is: 98,233.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,612.87 : 181,625.22 = 71,183.58 : x
  2. Step 2: Convert to fraction form
    131,612.87/181,625.22 = 71,183.58/x
  3. Step 3: Cross multiply
    131,612.87x = 181,625.22 × 71,183.58
  4. Step 4: Simplify right side
    131,612.87x = 12,928,733,377.89
  5. Step 5: Solve for x
    x = 12,928,733,377.89/131,612.87
  6. Step 6: Final answer
    x = 98,233.05

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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.