Home / 260,127.72-389,824.82-123,205.57

Finding the Fourth Proportional to 260,127.72, 389,824.82 and 123,205.57

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Solution

The fourth proportional to 260,127.72, 389,824.82 and 123,205.57 is: 184,634.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,127.72 : 389,824.82 = 123,205.57 : x
  2. Step 2: Convert to fraction form
    260,127.72/389,824.82 = 123,205.57/x
  3. Step 3: Cross multiply
    260,127.72x = 389,824.82 × 123,205.57
  4. Step 4: Simplify right side
    260,127.72x = 48,028,588,019.68
  5. Step 5: Solve for x
    x = 48,028,588,019.68/260,127.72
  6. Step 6: Final answer
    x = 184,634.64

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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.