Home / 232,233.80-320,507.70-131,621

Finding the Fourth Proportional to 232,233.80, 320,507.70 and 131,621

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Solution

The fourth proportional to 232,233.80, 320,507.70 and 131,621 is: 181,651.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,233.80 : 320,507.70 = 131,621 : x
  2. Step 2: Convert to fraction form
    232,233.80/320,507.70 = 131,621/x
  3. Step 3: Cross multiply
    232,233.80x = 320,507.70 × 131,621
  4. Step 4: Simplify right side
    232,233.80x = 42,185,543,981.70
  5. Step 5: Solve for x
    x = 42,185,543,981.70/232,233.80
  6. Step 6: Final answer
    x = 181,651.18

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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.