Home / 211,144.60-291,363.78-120,498.04

Finding the Fourth Proportional to 211,144.60, 291,363.78 and 120,498.04

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Solution

The fourth proportional to 211,144.60, 291,363.78 and 120,498.04 is: 166,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,144.60 : 291,363.78 = 120,498.04 : x
  2. Step 2: Convert to fraction form
    211,144.60/291,363.78 = 120,498.04/x
  3. Step 3: Cross multiply
    211,144.60x = 291,363.78 × 120,498.04
  4. Step 4: Simplify right side
    211,144.60x = 35,108,764,416.99
  5. Step 5: Solve for x
    x = 35,108,764,416.99/211,144.60
  6. Step 6: Final answer
    x = 166,278.30

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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.