Home / 203,210.43-303,579.69-131,549.28

Finding the Fourth Proportional to 203,210.43, 303,579.69 and 131,549.28

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Solution

The fourth proportional to 203,210.43, 303,579.69 and 131,549.28 is: 196,523.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,210.43 : 303,579.69 = 131,549.28 : x
  2. Step 2: Convert to fraction form
    203,210.43/303,579.69 = 131,549.28/x
  3. Step 3: Cross multiply
    203,210.43x = 303,579.69 × 131,549.28
  4. Step 4: Simplify right side
    203,210.43x = 39,935,688,124.22
  5. Step 5: Solve for x
    x = 39,935,688,124.22/203,210.43
  6. Step 6: Final answer
    x = 196,523.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.