Home / 130,580.13-195,884.25-55,708.20

Finding the Fourth Proportional to 130,580.13, 195,884.25 and 55,708.20

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Solution

The fourth proportional to 130,580.13, 195,884.25 and 55,708.20 is: 83,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,580.13 : 195,884.25 = 55,708.20 : x
  2. Step 2: Convert to fraction form
    130,580.13/195,884.25 = 55,708.20/x
  3. Step 3: Cross multiply
    130,580.13x = 195,884.25 × 55,708.20
  4. Step 4: Simplify right side
    130,580.13x = 10,912,358,975.85
  5. Step 5: Solve for x
    x = 10,912,358,975.85/130,580.13
  6. Step 6: Final answer
    x = 83,568.30

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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.