Home / 119,749.98-165,251.18-66,037.26

Finding the Fourth Proportional to 119,749.98, 165,251.18 and 66,037.26

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Solution

The fourth proportional to 119,749.98, 165,251.18 and 66,037.26 is: 91,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,749.98 : 165,251.18 = 66,037.26 : x
  2. Step 2: Convert to fraction form
    119,749.98/165,251.18 = 66,037.26/x
  3. Step 3: Cross multiply
    119,749.98x = 165,251.18 × 66,037.26
  4. Step 4: Simplify right side
    119,749.98x = 10,912,735,138.97
  5. Step 5: Solve for x
    x = 10,912,735,138.97/119,749.98
  6. Step 6: Final answer
    x = 91,129.33

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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.