Home / 122,993.26-169,373.37-106,853.20

Finding the Fourth Proportional to 122,993.26, 169,373.37 and 106,853.20

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Solution

The fourth proportional to 122,993.26, 169,373.37 and 106,853.20 is: 147,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,993.26 : 169,373.37 = 106,853.20 : x
  2. Step 2: Convert to fraction form
    122,993.26/169,373.37 = 106,853.20/x
  3. Step 3: Cross multiply
    122,993.26x = 169,373.37 × 106,853.20
  4. Step 4: Simplify right side
    122,993.26x = 18,098,086,579.28
  5. Step 5: Solve for x
    x = 18,098,086,579.28/122,993.26
  6. Step 6: Final answer
    x = 147,146.98

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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.