Home / 119,734.44-165,240.98-66,019.38

Finding the Fourth Proportional to 119,734.44, 165,240.98 and 66,019.38

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Solution

The fourth proportional to 119,734.44, 165,240.98 and 66,019.38 is: 91,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,734.44 : 165,240.98 = 66,019.38 : x
  2. Step 2: Convert to fraction form
    119,734.44/165,240.98 = 66,019.38/x
  3. Step 3: Cross multiply
    119,734.44x = 165,240.98 × 66,019.38
  4. Step 4: Simplify right side
    119,734.44x = 10,909,107,050.19
  5. Step 5: Solve for x
    x = 10,909,107,050.19/119,734.44
  6. Step 6: Final answer
    x = 91,110.85

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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.