Home / 122,914.72-169,622.44-69,200.16

Finding the Fourth Proportional to 122,914.72, 169,622.44 and 69,200.16

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Solution

The fourth proportional to 122,914.72, 169,622.44 and 69,200.16 is: 95,496.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,914.72 : 169,622.44 = 69,200.16 : x
  2. Step 2: Convert to fraction form
    122,914.72/169,622.44 = 69,200.16/x
  3. Step 3: Cross multiply
    122,914.72x = 169,622.44 × 69,200.16
  4. Step 4: Simplify right side
    122,914.72x = 11,737,899,987.59
  5. Step 5: Solve for x
    x = 11,737,899,987.59/122,914.72
  6. Step 6: Final answer
    x = 95,496.29

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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.