Home / 130,313.44-195,161.60-82,758.40

Finding the Fourth Proportional to 130,313.44, 195,161.60 and 82,758.40

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Solution

The fourth proportional to 130,313.44, 195,161.60 and 82,758.40 is: 123,941.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,313.44 : 195,161.60 = 82,758.40 : x
  2. Step 2: Convert to fraction form
    130,313.44/195,161.60 = 82,758.40/x
  3. Step 3: Cross multiply
    130,313.44x = 195,161.60 × 82,758.40
  4. Step 4: Simplify right side
    130,313.44x = 16,151,261,757.44
  5. Step 5: Solve for x
    x = 16,151,261,757.44/130,313.44
  6. Step 6: Final answer
    x = 123,941.64

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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.