Home / 143,383.96-197,734.26-109,332.64

Finding the Fourth Proportional to 143,383.96, 197,734.26 and 109,332.64

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Solution

The fourth proportional to 143,383.96, 197,734.26 and 109,332.64 is: 150,775.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,383.96 : 197,734.26 = 109,332.64 : x
  2. Step 2: Convert to fraction form
    143,383.96/197,734.26 = 109,332.64/x
  3. Step 3: Cross multiply
    143,383.96x = 197,734.26 × 109,332.64
  4. Step 4: Simplify right side
    143,383.96x = 21,618,808,664.25
  5. Step 5: Solve for x
    x = 21,618,808,664.25/143,383.96
  6. Step 6: Final answer
    x = 150,775.64

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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.