Home / 245,118.96-338,204.51-143,086.30

Finding the Fourth Proportional to 245,118.96, 338,204.51 and 143,086.30

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Solution

The fourth proportional to 245,118.96, 338,204.51 and 143,086.30 is: 197,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,118.96 : 338,204.51 = 143,086.30 : x
  2. Step 2: Convert to fraction form
    245,118.96/338,204.51 = 143,086.30/x
  3. Step 3: Cross multiply
    245,118.96x = 338,204.51 × 143,086.30
  4. Step 4: Simplify right side
    245,118.96x = 48,392,431,759.70
  5. Step 5: Solve for x
    x = 48,392,431,759.70/245,118.96
  6. Step 6: Final answer
    x = 197,424.27

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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.