Home / 211,137.67-291,375.65-119,249.58

Finding the Fourth Proportional to 211,137.67, 291,375.65 and 119,249.58

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Solution

The fourth proportional to 211,137.67, 291,375.65 and 119,249.58 is: 164,567.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,137.67 : 291,375.65 = 119,249.58 : x
  2. Step 2: Convert to fraction form
    211,137.67/291,375.65 = 119,249.58/x
  3. Step 3: Cross multiply
    211,137.67x = 291,375.65 × 119,249.58
  4. Step 4: Simplify right side
    211,137.67x = 34,746,423,884.73
  5. Step 5: Solve for x
    x = 34,746,423,884.73/211,137.67
  6. Step 6: Final answer
    x = 164,567.62

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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.