Home / 211,203.14-291,462.05-120,558.06

Finding the Fourth Proportional to 211,203.14, 291,462.05 and 120,558.06

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Solution

The fourth proportional to 211,203.14, 291,462.05 and 120,558.06 is: 166,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,203.14 : 291,462.05 = 120,558.06 : x
  2. Step 2: Convert to fraction form
    211,203.14/291,462.05 = 120,558.06/x
  3. Step 3: Cross multiply
    211,203.14x = 291,462.05 × 120,558.06
  4. Step 4: Simplify right side
    211,203.14x = 35,138,098,708.83
  5. Step 5: Solve for x
    x = 35,138,098,708.83/211,203.14
  6. Step 6: Final answer
    x = 166,371.10

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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.