Home / 169,786-254,291.19-81,102.25

Finding the Fourth Proportional to 169,786, 254,291.19 and 81,102.25

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Solution

The fourth proportional to 169,786, 254,291.19 and 81,102.25 is: 121,468.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,786 : 254,291.19 = 81,102.25 : x
  2. Step 2: Convert to fraction form
    169,786/254,291.19 = 81,102.25/x
  3. Step 3: Cross multiply
    169,786x = 254,291.19 × 81,102.25
  4. Step 4: Simplify right side
    169,786x = 20,623,587,664.18
  5. Step 5: Solve for x
    x = 20,623,587,664.18/169,786
  6. Step 6: Final answer
    x = 121,468.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.