Home / 211,182.84-291,453.20-120,552.44

Finding the Fourth Proportional to 211,182.84, 291,453.20 and 120,552.44

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Solution

The fourth proportional to 211,182.84, 291,453.20 and 120,552.44 is: 166,374.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,182.84 : 291,453.20 = 120,552.44 : x
  2. Step 2: Convert to fraction form
    211,182.84/291,453.20 = 120,552.44/x
  3. Step 3: Cross multiply
    211,182.84x = 291,453.20 × 120,552.44
  4. Step 4: Simplify right side
    211,182.84x = 35,135,394,405.81
  5. Step 5: Solve for x
    x = 35,135,394,405.81/211,182.84
  6. Step 6: Final answer
    x = 166,374.29

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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.