Home / 215,372.63-323,040.47-131,110.93

Finding the Fourth Proportional to 215,372.63, 323,040.47 and 131,110.93

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Solution

The fourth proportional to 215,372.63, 323,040.47 and 131,110.93 is: 196,655.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,372.63 : 323,040.47 = 131,110.93 : x
  2. Step 2: Convert to fraction form
    215,372.63/323,040.47 = 131,110.93/x
  3. Step 3: Cross multiply
    215,372.63x = 323,040.47 × 131,110.93
  4. Step 4: Simplify right side
    215,372.63x = 42,354,135,477.85
  5. Step 5: Solve for x
    x = 42,354,135,477.85/215,372.63
  6. Step 6: Final answer
    x = 196,655.14

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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.