Home / 211,473.08-291,832.26-120,857.16

Finding the Fourth Proportional to 211,473.08, 291,832.26 and 120,857.16

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Solution

The fourth proportional to 211,473.08, 291,832.26 and 120,857.16 is: 166,782.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,473.08 : 291,832.26 = 120,857.16 : x
  2. Step 2: Convert to fraction form
    211,473.08/291,832.26 = 120,857.16/x
  3. Step 3: Cross multiply
    211,473.08x = 291,832.26 × 120,857.16
  4. Step 4: Simplify right side
    211,473.08x = 35,270,018,139.98
  5. Step 5: Solve for x
    x = 35,270,018,139.98/211,473.08
  6. Step 6: Final answer
    x = 166,782.54

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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.