Home / 140,120.82-210,194.28-55,860.57

Finding the Fourth Proportional to 140,120.82, 210,194.28 and 55,860.57

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Solution

The fourth proportional to 140,120.82, 210,194.28 and 55,860.57 is: 83,796.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,120.82 : 210,194.28 = 55,860.57 : x
  2. Step 2: Convert to fraction form
    140,120.82/210,194.28 = 55,860.57/x
  3. Step 3: Cross multiply
    140,120.82x = 210,194.28 × 55,860.57
  4. Step 4: Simplify right side
    140,120.82x = 11,741,572,291.54
  5. Step 5: Solve for x
    x = 11,741,572,291.54/140,120.82
  6. Step 6: Final answer
    x = 83,796.06

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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.