Home / 119,971.14-165,561.42-66,257.52

Finding the Fourth Proportional to 119,971.14, 165,561.42 and 66,257.52

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Solution

The fourth proportional to 119,971.14, 165,561.42 and 66,257.52 is: 91,436.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,971.14 : 165,561.42 = 66,257.52 : x
  2. Step 2: Convert to fraction form
    119,971.14/165,561.42 = 66,257.52/x
  3. Step 3: Cross multiply
    119,971.14x = 165,561.42 × 66,257.52
  4. Step 4: Simplify right side
    119,971.14x = 10,969,689,096.88
  5. Step 5: Solve for x
    x = 10,969,689,096.88/119,971.14
  6. Step 6: Final answer
    x = 91,436.07

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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.