Home / 119,733.69-165,230.67-66,017.33

Finding the Fourth Proportional to 119,733.69, 165,230.67 and 66,017.33

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Solution

The fourth proportional to 119,733.69, 165,230.67 and 66,017.33 is: 91,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,733.69 : 165,230.67 = 66,017.33 : x
  2. Step 2: Convert to fraction form
    119,733.69/165,230.67 = 66,017.33/x
  3. Step 3: Cross multiply
    119,733.69x = 165,230.67 × 66,017.33
  4. Step 4: Simplify right side
    119,733.69x = 10,908,086,511.27
  5. Step 5: Solve for x
    x = 10,908,086,511.27/119,733.69
  6. Step 6: Final answer
    x = 91,102.90

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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.