Home / 166,287.69-229,477.73-90,837.81

Finding the Fourth Proportional to 166,287.69, 229,477.73 and 90,837.81

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Solution

The fourth proportional to 166,287.69, 229,477.73 and 90,837.81 is: 125,356.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,287.69 : 229,477.73 = 90,837.81 : x
  2. Step 2: Convert to fraction form
    166,287.69/229,477.73 = 90,837.81/x
  3. Step 3: Cross multiply
    166,287.69x = 229,477.73 × 90,837.81
  4. Step 4: Simplify right side
    166,287.69x = 20,845,253,982.78
  5. Step 5: Solve for x
    x = 20,845,253,982.78/166,287.69
  6. Step 6: Final answer
    x = 125,356.57

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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.