Home / 136,634.16-188,571.59-80,045.54

Finding the Fourth Proportional to 136,634.16, 188,571.59 and 80,045.54

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Solution

The fourth proportional to 136,634.16, 188,571.59 and 80,045.54 is: 110,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,634.16 : 188,571.59 = 80,045.54 : x
  2. Step 2: Convert to fraction form
    136,634.16/188,571.59 = 80,045.54/x
  3. Step 3: Cross multiply
    136,634.16x = 188,571.59 × 80,045.54
  4. Step 4: Simplify right side
    136,634.16x = 15,094,314,007.46
  5. Step 5: Solve for x
    x = 15,094,314,007.46/136,634.16
  6. Step 6: Final answer
    x = 110,472.48

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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.