Home / 374,454.72-561,771.14-121,736.32

Finding the Fourth Proportional to 374,454.72, 561,771.14 and 121,736.32

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Solution

The fourth proportional to 374,454.72, 561,771.14 and 121,736.32 is: 182,633.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,454.72 : 561,771.14 = 121,736.32 : x
  2. Step 2: Convert to fraction form
    374,454.72/561,771.14 = 121,736.32/x
  3. Step 3: Cross multiply
    374,454.72x = 561,771.14 × 121,736.32
  4. Step 4: Simplify right side
    374,454.72x = 68,387,951,265.80
  5. Step 5: Solve for x
    x = 68,387,951,265.80/374,454.72
  6. Step 6: Final answer
    x = 182,633.43

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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.