Home / 130,072.20-195,059.70-51,170.10

Finding the Fourth Proportional to 130,072.20, 195,059.70 and 51,170.10

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Solution

The fourth proportional to 130,072.20, 195,059.70 and 51,170.10 is: 76,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,072.20 : 195,059.70 = 51,170.10 : x
  2. Step 2: Convert to fraction form
    130,072.20/195,059.70 = 51,170.10/x
  3. Step 3: Cross multiply
    130,072.20x = 195,059.70 × 51,170.10
  4. Step 4: Simplify right side
    130,072.20x = 9,981,224,354.97
  5. Step 5: Solve for x
    x = 9,981,224,354.97/130,072.20
  6. Step 6: Final answer
    x = 76,736.03

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1.5x scale

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.