Home / 211,464.92-291,820.24-120,848.60

Finding the Fourth Proportional to 211,464.92, 291,820.24 and 120,848.60

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Solution

The fourth proportional to 211,464.92, 291,820.24 and 120,848.60 is: 166,770.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,464.92 : 291,820.24 = 120,848.60 : x
  2. Step 2: Convert to fraction form
    211,464.92/291,820.24 = 120,848.60/x
  3. Step 3: Cross multiply
    211,464.92x = 291,820.24 × 120,848.60
  4. Step 4: Simplify right side
    211,464.92x = 35,266,067,455.66
  5. Step 5: Solve for x
    x = 35,266,067,455.66/211,464.92
  6. Step 6: Final answer
    x = 166,770.30

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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.