Home / 211,551.68-291,962.33-120,920.73

Finding the Fourth Proportional to 211,551.68, 291,962.33 and 120,920.73

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Solution

The fourth proportional to 211,551.68, 291,962.33 and 120,920.73 is: 166,882.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,551.68 : 291,962.33 = 120,920.73 : x
  2. Step 2: Convert to fraction form
    211,551.68/291,962.33 = 120,920.73/x
  3. Step 3: Cross multiply
    211,551.68x = 291,962.33 × 120,920.73
  4. Step 4: Simplify right side
    211,551.68x = 35,304,297,471.50
  5. Step 5: Solve for x
    x = 35,304,297,471.50/211,551.68
  6. Step 6: Final answer
    x = 166,882.62

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1.5x scale

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.