Home / 114,213.11-171,221.19-55,090.32

Finding the Fourth Proportional to 114,213.11, 171,221.19 and 55,090.32

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Solution

The fourth proportional to 114,213.11, 171,221.19 and 55,090.32 is: 82,587.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,213.11 : 171,221.19 = 55,090.32 : x
  2. Step 2: Convert to fraction form
    114,213.11/171,221.19 = 55,090.32/x
  3. Step 3: Cross multiply
    114,213.11x = 171,221.19 × 55,090.32
  4. Step 4: Simplify right side
    114,213.11x = 9,432,630,147.88
  5. Step 5: Solve for x
    x = 9,432,630,147.88/114,213.11
  6. Step 6: Final answer
    x = 82,587.98

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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.