Home / 131,662.14-181,696.95-75,074.46

Finding the Fourth Proportional to 131,662.14, 181,696.95 and 75,074.46

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Solution

The fourth proportional to 131,662.14, 181,696.95 and 75,074.46 is: 103,604.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,662.14 : 181,696.95 = 75,074.46 : x
  2. Step 2: Convert to fraction form
    131,662.14/181,696.95 = 75,074.46/x
  3. Step 3: Cross multiply
    131,662.14x = 181,696.95 × 75,074.46
  4. Step 4: Simplify right side
    131,662.14x = 13,640,800,404.90
  5. Step 5: Solve for x
    x = 13,640,800,404.90/131,662.14
  6. Step 6: Final answer
    x = 103,604.58

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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.