Home / 164,419.39-226,896.36-91,821.51

Finding the Fourth Proportional to 164,419.39, 226,896.36 and 91,821.51

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Solution

The fourth proportional to 164,419.39, 226,896.36 and 91,821.51 is: 126,712.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,419.39 : 226,896.36 = 91,821.51 : x
  2. Step 2: Convert to fraction form
    164,419.39/226,896.36 = 91,821.51/x
  3. Step 3: Cross multiply
    164,419.39x = 226,896.36 × 91,821.51
  4. Step 4: Simplify right side
    164,419.39x = 20,833,966,388.70
  5. Step 5: Solve for x
    x = 20,833,966,388.70/164,419.39
  6. Step 6: Final answer
    x = 126,712.35

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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.