Home / 122,673.36-169,241.28-68,946

Finding the Fourth Proportional to 122,673.36, 169,241.28 and 68,946

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Solution

The fourth proportional to 122,673.36, 169,241.28 and 68,946 is: 95,118.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,673.36 : 169,241.28 = 68,946 : x
  2. Step 2: Convert to fraction form
    122,673.36/169,241.28 = 68,946/x
  3. Step 3: Cross multiply
    122,673.36x = 169,241.28 × 68,946
  4. Step 4: Simplify right side
    122,673.36x = 11,668,509,290.88
  5. Step 5: Solve for x
    x = 11,668,509,290.88/122,673.36
  6. Step 6: Final answer
    x = 95,118.53

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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.