Home / 211,162.33-291,408.73-120,516.48

Finding the Fourth Proportional to 211,162.33, 291,408.73 and 120,516.48

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Solution

The fourth proportional to 211,162.33, 291,408.73 and 120,516.48 is: 166,315.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,162.33 : 291,408.73 = 120,516.48 : x
  2. Step 2: Convert to fraction form
    211,162.33/291,408.73 = 120,516.48/x
  3. Step 3: Cross multiply
    211,162.33x = 291,408.73 × 120,516.48
  4. Step 4: Simplify right side
    211,162.33x = 35,119,554,268.04
  5. Step 5: Solve for x
    x = 35,119,554,268.04/211,162.33
  6. Step 6: Final answer
    x = 166,315.43

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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.