Home / 166,284-229,476.96-90,837.36

Finding the Fourth Proportional to 166,284, 229,476.96 and 90,837.36

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Solution

The fourth proportional to 166,284, 229,476.96 and 90,837.36 is: 125,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,284 : 229,476.96 = 90,837.36 : x
  2. Step 2: Convert to fraction form
    166,284/229,476.96 = 90,837.36/x
  3. Step 3: Cross multiply
    166,284x = 229,476.96 × 90,837.36
  4. Step 4: Simplify right side
    166,284x = 20,845,081,227.23
  5. Step 5: Solve for x
    x = 20,845,081,227.23/166,284
  6. Step 6: Final answer
    x = 125,358.31

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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.