Home / 122,756.97-169,427.91-76,837.92

Finding the Fourth Proportional to 122,756.97, 169,427.91 and 76,837.92

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Solution

The fourth proportional to 122,756.97, 169,427.91 and 76,837.92 is: 106,050.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,756.97 : 169,427.91 = 76,837.92 : x
  2. Step 2: Convert to fraction form
    122,756.97/169,427.91 = 76,837.92/x
  3. Step 3: Cross multiply
    122,756.97x = 169,427.91 × 76,837.92
  4. Step 4: Simplify right side
    122,756.97x = 13,018,488,194.35
  5. Step 5: Solve for x
    x = 13,018,488,194.35/122,756.97
  6. Step 6: Final answer
    x = 106,050.91

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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.