Home / 119,738.05-165,235.34-66,022.16

Finding the Fourth Proportional to 119,738.05, 165,235.34 and 66,022.16

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Solution

The fourth proportional to 119,738.05, 165,235.34 and 66,022.16 is: 91,108.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,738.05 : 165,235.34 = 66,022.16 : x
  2. Step 2: Convert to fraction form
    119,738.05/165,235.34 = 66,022.16/x
  3. Step 3: Cross multiply
    119,738.05x = 165,235.34 × 66,022.16
  4. Step 4: Simplify right side
    119,738.05x = 10,909,193,394.01
  5. Step 5: Solve for x
    x = 10,909,193,394.01/119,738.05
  6. Step 6: Final answer
    x = 91,108.83

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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.