Home / 211,131.44-291,346.40-120,466.16

Finding the Fourth Proportional to 211,131.44, 291,346.40 and 120,466.16

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Solution

The fourth proportional to 211,131.44, 291,346.40 and 120,466.16 is: 166,234.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,131.44 : 291,346.40 = 120,466.16 : x
  2. Step 2: Convert to fraction form
    211,131.44/291,346.40 = 120,466.16/x
  3. Step 3: Cross multiply
    211,131.44x = 291,346.40 × 120,466.16
  4. Step 4: Simplify right side
    211,131.44x = 35,097,382,037.82
  5. Step 5: Solve for x
    x = 35,097,382,037.82/211,131.44
  6. Step 6: Final answer
    x = 166,234.75

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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.