Home / 203,126.92-305,157.50-143,293.10

Finding the Fourth Proportional to 203,126.92, 305,157.50 and 143,293.10

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Solution

The fourth proportional to 203,126.92, 305,157.50 and 143,293.10 is: 215,269.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,126.92 : 305,157.50 = 143,293.10 : x
  2. Step 2: Convert to fraction form
    203,126.92/305,157.50 = 143,293.10/x
  3. Step 3: Cross multiply
    203,126.92x = 305,157.50 × 143,293.10
  4. Step 4: Simplify right side
    203,126.92x = 43,726,964,163.25
  5. Step 5: Solve for x
    x = 43,726,964,163.25/203,126.92
  6. Step 6: Final answer
    x = 215,269.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.