Home / 122,621.84-169,222.41-68,905.77

Finding the Fourth Proportional to 122,621.84, 169,222.41 and 68,905.77

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Solution

The fourth proportional to 122,621.84, 169,222.41 and 68,905.77 is: 95,092.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,621.84 : 169,222.41 = 68,905.77 : x
  2. Step 2: Convert to fraction form
    122,621.84/169,222.41 = 68,905.77/x
  3. Step 3: Cross multiply
    122,621.84x = 169,222.41 × 68,905.77
  4. Step 4: Simplify right side
    122,621.84x = 11,660,400,462.31
  5. Step 5: Solve for x
    x = 11,660,400,462.31/122,621.84
  6. Step 6: Final answer
    x = 95,092.37

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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.