Home / 140,667.48-210,771.18-135,418.68

Finding the Fourth Proportional to 140,667.48, 210,771.18 and 135,418.68

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Solution

The fourth proportional to 140,667.48, 210,771.18 and 135,418.68 is: 202,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,667.48 : 210,771.18 = 135,418.68 : x
  2. Step 2: Convert to fraction form
    140,667.48/210,771.18 = 135,418.68/x
  3. Step 3: Cross multiply
    140,667.48x = 210,771.18 × 135,418.68
  4. Step 4: Simplify right side
    140,667.48x = 28,542,354,977.64
  5. Step 5: Solve for x
    x = 28,542,354,977.64/140,667.48
  6. Step 6: Final answer
    x = 202,906.56

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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.