Home / 130,077.81-195,112.26-55,149.71

Finding the Fourth Proportional to 130,077.81, 195,112.26 and 55,149.71

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Solution

The fourth proportional to 130,077.81, 195,112.26 and 55,149.71 is: 82,722.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,077.81 : 195,112.26 = 55,149.71 : x
  2. Step 2: Convert to fraction form
    130,077.81/195,112.26 = 55,149.71/x
  3. Step 3: Cross multiply
    130,077.81x = 195,112.26 × 55,149.71
  4. Step 4: Simplify right side
    130,077.81x = 10,760,383,580.88
  5. Step 5: Solve for x
    x = 10,760,383,580.88/130,077.81
  6. Step 6: Final answer
    x = 82,722.67

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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.