Home / 119,438.46-164,825.82-65,721.96

Finding the Fourth Proportional to 119,438.46, 164,825.82 and 65,721.96

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Solution

The fourth proportional to 119,438.46, 164,825.82 and 65,721.96 is: 90,696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,438.46 : 164,825.82 = 65,721.96 : x
  2. Step 2: Convert to fraction form
    119,438.46/164,825.82 = 65,721.96/x
  3. Step 3: Cross multiply
    119,438.46x = 164,825.82 × 65,721.96
  4. Step 4: Simplify right side
    119,438.46x = 10,832,675,949.01
  5. Step 5: Solve for x
    x = 10,832,675,949.01/119,438.46
  6. Step 6: Final answer
    x = 90,696.71

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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.