Home / 203,172.48-303,523.14-131,511.28

Finding the Fourth Proportional to 203,172.48, 303,523.14 and 131,511.28

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Solution

The fourth proportional to 203,172.48, 303,523.14 and 131,511.28 is: 196,467.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,172.48 : 303,523.14 = 131,511.28 : x
  2. Step 2: Convert to fraction form
    203,172.48/303,523.14 = 131,511.28/x
  3. Step 3: Cross multiply
    203,172.48x = 303,523.14 × 131,511.28
  4. Step 4: Simplify right side
    203,172.48x = 39,916,716,651.02
  5. Step 5: Solve for x
    x = 39,916,716,651.02/203,172.48
  6. Step 6: Final answer
    x = 196,467.14

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1.5x scale

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.