Home / 122,004.78-168,374.07-68,293.14

Finding the Fourth Proportional to 122,004.78, 168,374.07 and 68,293.14

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Solution

The fourth proportional to 122,004.78, 168,374.07 and 68,293.14 is: 94,248.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,004.78 : 168,374.07 = 68,293.14 : x
  2. Step 2: Convert to fraction form
    122,004.78/168,374.07 = 68,293.14/x
  3. Step 3: Cross multiply
    122,004.78x = 168,374.07 × 68,293.14
  4. Step 4: Simplify right side
    122,004.78x = 11,498,793,934.88
  5. Step 5: Solve for x
    x = 11,498,793,934.88/122,004.78
  6. Step 6: Final answer
    x = 94,248.72

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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.