Home / 255,787.80-352,976.22-142,609.56

Finding the Fourth Proportional to 255,787.80, 352,976.22 and 142,609.56

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Solution

The fourth proportional to 255,787.80, 352,976.22 and 142,609.56 is: 196,795.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,787.80 : 352,976.22 = 142,609.56 : x
  2. Step 2: Convert to fraction form
    255,787.80/352,976.22 = 142,609.56/x
  3. Step 3: Cross multiply
    255,787.80x = 352,976.22 × 142,609.56
  4. Step 4: Simplify right side
    255,787.80x = 50,337,783,424.66
  5. Step 5: Solve for x
    x = 50,337,783,424.66/255,787.80
  6. Step 6: Final answer
    x = 196,795.09

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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.