Home / 211,028.99-291,247.73-120,364.16

Finding the Fourth Proportional to 211,028.99, 291,247.73 and 120,364.16

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Solution

The fourth proportional to 211,028.99, 291,247.73 and 120,364.16 is: 166,118.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,028.99 : 291,247.73 = 120,364.16 : x
  2. Step 2: Convert to fraction form
    211,028.99/291,247.73 = 120,364.16/x
  3. Step 3: Cross multiply
    211,028.99x = 291,247.73 × 120,364.16
  4. Step 4: Simplify right side
    211,028.99x = 35,055,786,315.30
  5. Step 5: Solve for x
    x = 35,055,786,315.30/211,028.99
  6. Step 6: Final answer
    x = 166,118.35

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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.