Home / 122,929.36-169,647.75-68,481.47

Finding the Fourth Proportional to 122,929.36, 169,647.75 and 68,481.47

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Solution

The fourth proportional to 122,929.36, 169,647.75 and 68,481.47 is: 94,507.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,929.36 : 169,647.75 = 68,481.47 : x
  2. Step 2: Convert to fraction form
    122,929.36/169,647.75 = 68,481.47/x
  3. Step 3: Cross multiply
    122,929.36x = 169,647.75 × 68,481.47
  4. Step 4: Simplify right side
    122,929.36x = 11,617,726,111.55
  5. Step 5: Solve for x
    x = 11,617,726,111.55/122,929.36
  6. Step 6: Final answer
    x = 94,507.33

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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.