Home / 234,178.20-323,173.74-143,516.64

Finding the Fourth Proportional to 234,178.20, 323,173.74 and 143,516.64

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Solution

The fourth proportional to 234,178.20, 323,173.74 and 143,516.64 is: 198,057.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,178.20 : 323,173.74 = 143,516.64 : x
  2. Step 2: Convert to fraction form
    234,178.20/323,173.74 = 143,516.64/x
  3. Step 3: Cross multiply
    234,178.20x = 323,173.74 × 143,516.64
  4. Step 4: Simplify right side
    234,178.20x = 46,380,809,301.03
  5. Step 5: Solve for x
    x = 46,380,809,301.03/234,178.20
  6. Step 6: Final answer
    x = 198,057.76

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1.5x scale

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.