Home / 122,766.06-169,391.73-71,768.94

Finding the Fourth Proportional to 122,766.06, 169,391.73 and 71,768.94

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Solution

The fourth proportional to 122,766.06, 169,391.73 and 71,768.94 is: 99,026.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,766.06 : 169,391.73 = 71,768.94 : x
  2. Step 2: Convert to fraction form
    122,766.06/169,391.73 = 71,768.94/x
  3. Step 3: Cross multiply
    122,766.06x = 169,391.73 × 71,768.94
  4. Step 4: Simplify right side
    122,766.06x = 12,157,064,906.87
  5. Step 5: Solve for x
    x = 12,157,064,906.87/122,766.06
  6. Step 6: Final answer
    x = 99,026.27

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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.