Home / 122,705.46-169,331.29-68,257.37

Finding the Fourth Proportional to 122,705.46, 169,331.29 and 68,257.37

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Solution

The fourth proportional to 122,705.46, 169,331.29 and 68,257.37 is: 94,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,705.46 : 169,331.29 = 68,257.37 : x
  2. Step 2: Convert to fraction form
    122,705.46/169,331.29 = 68,257.37/x
  3. Step 3: Cross multiply
    122,705.46x = 169,331.29 × 68,257.37
  4. Step 4: Simplify right side
    122,705.46x = 11,558,107,752.77
  5. Step 5: Solve for x
    x = 11,558,107,752.77/122,705.46
  6. Step 6: Final answer
    x = 94,193.91

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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.