Home / 80,906.06-121,347.74-34,148

Finding the Fourth Proportional to 80,906.06, 121,347.74 and 34,148

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Solution

The fourth proportional to 80,906.06, 121,347.74 and 34,148 is: 51,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,906.06 : 121,347.74 = 34,148 : x
  2. Step 2: Convert to fraction form
    80,906.06/121,347.74 = 34,148/x
  3. Step 3: Cross multiply
    80,906.06x = 121,347.74 × 34,148
  4. Step 4: Simplify right side
    80,906.06x = 4,143,782,625.52
  5. Step 5: Solve for x
    x = 4,143,782,625.52/80,906.06
  6. Step 6: Final answer
    x = 51,217.21

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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.