Home / 130,694.12-196,066.70-41,940.80

Finding the Fourth Proportional to 130,694.12, 196,066.70 and 41,940.80

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Solution

The fourth proportional to 130,694.12, 196,066.70 and 41,940.80 is: 62,919.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,694.12 : 196,066.70 = 41,940.80 : x
  2. Step 2: Convert to fraction form
    130,694.12/196,066.70 = 41,940.80/x
  3. Step 3: Cross multiply
    130,694.12x = 196,066.70 × 41,940.80
  4. Step 4: Simplify right side
    130,694.12x = 8,223,193,271.03
  5. Step 5: Solve for x
    x = 8,223,193,271.03/130,694.12
  6. Step 6: Final answer
    x = 62,919.38

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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.