Home / 258,512.20-356,741.70-143,786.92

Finding the Fourth Proportional to 258,512.20, 356,741.70 and 143,786.92

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Solution

The fourth proportional to 258,512.20, 356,741.70 and 143,786.92 is: 198,423.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,512.20 : 356,741.70 = 143,786.92 : x
  2. Step 2: Convert to fraction form
    258,512.20/356,741.70 = 143,786.92/x
  3. Step 3: Cross multiply
    258,512.20x = 356,741.70 × 143,786.92
  4. Step 4: Simplify right side
    258,512.20x = 51,294,790,278.56
  5. Step 5: Solve for x
    x = 51,294,790,278.56/258,512.20
  6. Step 6: Final answer
    x = 198,423.09

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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.