Home / 97,956.99-135,182.25-55,514.61

Finding the Fourth Proportional to 97,956.99, 135,182.25 and 55,514.61

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Solution

The fourth proportional to 97,956.99, 135,182.25 and 55,514.61 is: 76,611.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,956.99 : 135,182.25 = 55,514.61 : x
  2. Step 2: Convert to fraction form
    97,956.99/135,182.25 = 55,514.61/x
  3. Step 3: Cross multiply
    97,956.99x = 135,182.25 × 55,514.61
  4. Step 4: Simplify right side
    97,956.99x = 7,504,589,887.67
  5. Step 5: Solve for x
    x = 7,504,589,887.67/97,956.99
  6. Step 6: Final answer
    x = 76,611.07

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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.