Home / 216,249.85-298,321.26-135,637.03

Finding the Fourth Proportional to 216,249.85, 298,321.26 and 135,637.03

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Solution

The fourth proportional to 216,249.85, 298,321.26 and 135,637.03 is: 187,114.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,249.85 : 298,321.26 = 135,637.03 : x
  2. Step 2: Convert to fraction form
    216,249.85/298,321.26 = 135,637.03/x
  3. Step 3: Cross multiply
    216,249.85x = 298,321.26 × 135,637.03
  4. Step 4: Simplify right side
    216,249.85x = 40,463,408,200.65
  5. Step 5: Solve for x
    x = 40,463,408,200.65/216,249.85
  6. Step 6: Final answer
    x = 187,114.16

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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.