Home / 122,579.90-169,159.24-68,863.77

Finding the Fourth Proportional to 122,579.90, 169,159.24 and 68,863.77

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Solution

The fourth proportional to 122,579.90, 169,159.24 and 68,863.77 is: 95,031.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,579.90 : 169,159.24 = 68,863.77 : x
  2. Step 2: Convert to fraction form
    122,579.90/169,159.24 = 68,863.77/x
  3. Step 3: Cross multiply
    122,579.90x = 169,159.24 × 68,863.77
  4. Step 4: Simplify right side
    122,579.90x = 11,648,942,996.73
  5. Step 5: Solve for x
    x = 11,648,942,996.73/122,579.90
  6. Step 6: Final answer
    x = 95,031.43

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1.5x scale

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.