Home / 122,676.57-169,422.18-84,535.29

Finding the Fourth Proportional to 122,676.57, 169,422.18 and 84,535.29

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Solution

The fourth proportional to 122,676.57, 169,422.18 and 84,535.29 is: 116,747.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,676.57 : 169,422.18 = 84,535.29 : x
  2. Step 2: Convert to fraction form
    122,676.57/169,422.18 = 84,535.29/x
  3. Step 3: Cross multiply
    122,676.57x = 169,422.18 × 84,535.29
  4. Step 4: Simplify right side
    122,676.57x = 14,322,153,118.73
  5. Step 5: Solve for x
    x = 14,322,153,118.73/122,676.57
  6. Step 6: Final answer
    x = 116,747.26

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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.