Home / 165,071.43-227,795.04-89,619.93

Finding the Fourth Proportional to 165,071.43, 227,795.04 and 89,619.93

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Solution

The fourth proportional to 165,071.43, 227,795.04 and 89,619.93 is: 123,673.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,071.43 : 227,795.04 = 89,619.93 : x
  2. Step 2: Convert to fraction form
    165,071.43/227,795.04 = 89,619.93/x
  3. Step 3: Cross multiply
    165,071.43x = 227,795.04 × 89,619.93
  4. Step 4: Simplify right side
    165,071.43x = 20,414,975,539.15
  5. Step 5: Solve for x
    x = 20,414,975,539.15/165,071.43
  6. Step 6: Final answer
    x = 123,673.59

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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.