Home / 130,076.75-195,110.66-55,148.64

Finding the Fourth Proportional to 130,076.75, 195,110.66 and 55,148.64

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Solution

The fourth proportional to 130,076.75, 195,110.66 and 55,148.64 is: 82,721.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,076.75 : 195,110.66 = 55,148.64 : x
  2. Step 2: Convert to fraction form
    130,076.75/195,110.66 = 55,148.64/x
  3. Step 3: Cross multiply
    130,076.75x = 195,110.66 × 55,148.64
  4. Step 4: Simplify right side
    130,076.75x = 10,760,087,548.50
  5. Step 5: Solve for x
    x = 10,760,087,548.50/130,076.75
  6. Step 6: Final answer
    x = 82,721.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.