Home / 119,761.92-165,271.68-66,045.44

Finding the Fourth Proportional to 119,761.92, 165,271.68 and 66,045.44

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Solution

The fourth proportional to 119,761.92, 165,271.68 and 66,045.44 is: 91,142.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,761.92 : 165,271.68 = 66,045.44 : x
  2. Step 2: Convert to fraction form
    119,761.92/165,271.68 = 66,045.44/x
  3. Step 3: Cross multiply
    119,761.92x = 165,271.68 × 66,045.44
  4. Step 4: Simplify right side
    119,761.92x = 10,915,440,825.14
  5. Step 5: Solve for x
    x = 10,915,440,825.14/119,761.92
  6. Step 6: Final answer
    x = 91,142.83

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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.