Home / 202,311.04-279,187.68-117,436

Finding the Fourth Proportional to 202,311.04, 279,187.68 and 117,436

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Solution

The fourth proportional to 202,311.04, 279,187.68 and 117,436 is: 162,060.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,311.04 : 279,187.68 = 117,436 : x
  2. Step 2: Convert to fraction form
    202,311.04/279,187.68 = 117,436/x
  3. Step 3: Cross multiply
    202,311.04x = 279,187.68 × 117,436
  4. Step 4: Simplify right side
    202,311.04x = 32,786,684,388.48
  5. Step 5: Solve for x
    x = 32,786,684,388.48/202,311.04
  6. Step 6: Final answer
    x = 162,060.78

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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.