Home / 211,475.96-291,836.23-120,860.04

Finding the Fourth Proportional to 211,475.96, 291,836.23 and 120,860.04

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Solution

The fourth proportional to 211,475.96, 291,836.23 and 120,860.04 is: 166,786.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,475.96 : 291,836.23 = 120,860.04 : x
  2. Step 2: Convert to fraction form
    211,475.96/291,836.23 = 120,860.04/x
  3. Step 3: Cross multiply
    211,475.96x = 291,836.23 × 120,860.04
  4. Step 4: Simplify right side
    211,475.96x = 35,271,338,431.25
  5. Step 5: Solve for x
    x = 35,271,338,431.25/211,475.96
  6. Step 6: Final answer
    x = 166,786.52

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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.