Home / 77,225.22-115,823.54-27,305.73

Finding the Fourth Proportional to 77,225.22, 115,823.54 and 27,305.73

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Solution

The fourth proportional to 77,225.22, 115,823.54 and 27,305.73 is: 40,953.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,225.22 : 115,823.54 = 27,305.73 : x
  2. Step 2: Convert to fraction form
    77,225.22/115,823.54 = 27,305.73/x
  3. Step 3: Cross multiply
    77,225.22x = 115,823.54 × 27,305.73
  4. Step 4: Simplify right side
    77,225.22x = 3,162,646,379.15
  5. Step 5: Solve for x
    x = 3,162,646,379.15/77,225.22
  6. Step 6: Final answer
    x = 40,953.54

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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.