Home / 591,388.90-887,083.26-142,109.77

Finding the Fourth Proportional to 591,388.90, 887,083.26 and 142,109.77

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Solution

The fourth proportional to 591,388.90, 887,083.26 and 142,109.77 is: 213,164.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,388.90 : 887,083.26 = 142,109.77 : x
  2. Step 2: Convert to fraction form
    591,388.90/887,083.26 = 142,109.77/x
  3. Step 3: Cross multiply
    591,388.90x = 887,083.26 × 142,109.77
  4. Step 4: Simplify right side
    591,388.90x = 126,063,198,049.45
  5. Step 5: Solve for x
    x = 126,063,198,049.45/591,388.90
  6. Step 6: Final answer
    x = 213,164.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.