Home / 211,467.42-291,823.68-120,851.10

Finding the Fourth Proportional to 211,467.42, 291,823.68 and 120,851.10

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Solution

The fourth proportional to 211,467.42, 291,823.68 and 120,851.10 is: 166,773.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,467.42 : 291,823.68 = 120,851.10 : x
  2. Step 2: Convert to fraction form
    211,467.42/291,823.68 = 120,851.10/x
  3. Step 3: Cross multiply
    211,467.42x = 291,823.68 × 120,851.10
  4. Step 4: Simplify right side
    211,467.42x = 35,267,212,734.05
  5. Step 5: Solve for x
    x = 35,267,212,734.05/211,467.42
  6. Step 6: Final answer
    x = 166,773.74

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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.