Home / 204,186.12-306,279.54-79,527.12

Finding the Fourth Proportional to 204,186.12, 306,279.54 and 79,527.12

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Solution

The fourth proportional to 204,186.12, 306,279.54 and 79,527.12 is: 119,290.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,186.12 : 306,279.54 = 79,527.12 : x
  2. Step 2: Convert to fraction form
    204,186.12/306,279.54 = 79,527.12/x
  3. Step 3: Cross multiply
    204,186.12x = 306,279.54 × 79,527.12
  4. Step 4: Simplify right side
    204,186.12x = 24,357,529,731.12
  5. Step 5: Solve for x
    x = 24,357,529,731.12/204,186.12
  6. Step 6: Final answer
    x = 119,290.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.