Home / 221,844.83-306,208.67-131,232.29

Finding the Fourth Proportional to 221,844.83, 306,208.67 and 131,232.29

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Solution

The fourth proportional to 221,844.83, 306,208.67 and 131,232.29 is: 181,137.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,844.83 : 306,208.67 = 131,232.29 : x
  2. Step 2: Convert to fraction form
    221,844.83/306,208.67 = 131,232.29/x
  3. Step 3: Cross multiply
    221,844.83x = 306,208.67 × 131,232.29
  4. Step 4: Simplify right side
    221,844.83x = 40,184,465,091.31
  5. Step 5: Solve for x
    x = 40,184,465,091.31/221,844.83
  6. Step 6: Final answer
    x = 181,137.71

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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.