Home / 119,735.21-165,234.94-66,019.05

Finding the Fourth Proportional to 119,735.21, 165,234.94 and 66,019.05

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Solution

The fourth proportional to 119,735.21, 165,234.94 and 66,019.05 is: 91,106.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,735.21 : 165,234.94 = 66,019.05 : x
  2. Step 2: Convert to fraction form
    119,735.21/165,234.94 = 66,019.05/x
  3. Step 3: Cross multiply
    119,735.21x = 165,234.94 × 66,019.05
  4. Step 4: Simplify right side
    119,735.21x = 10,908,653,600.56
  5. Step 5: Solve for x
    x = 10,908,653,600.56/119,735.21
  6. Step 6: Final answer
    x = 91,106.48

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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.