Home / 255,189.25-352,161.17-142,012.09

Finding the Fourth Proportional to 255,189.25, 352,161.17 and 142,012.09

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Solution

The fourth proportional to 255,189.25, 352,161.17 and 142,012.09 is: 195,976.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,189.25 : 352,161.17 = 142,012.09 : x
  2. Step 2: Convert to fraction form
    255,189.25/352,161.17 = 142,012.09/x
  3. Step 3: Cross multiply
    255,189.25x = 352,161.17 × 142,012.09
  4. Step 4: Simplify right side
    255,189.25x = 50,011,143,058.48
  5. Step 5: Solve for x
    x = 50,011,143,058.48/255,189.25
  6. Step 6: Final answer
    x = 195,976.68

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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.