Home / 130,114.85-195,172.34-36,620.60

Finding the Fourth Proportional to 130,114.85, 195,172.34 and 36,620.60

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Solution

The fourth proportional to 130,114.85, 195,172.34 and 36,620.60 is: 54,930.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,114.85 : 195,172.34 = 36,620.60 : x
  2. Step 2: Convert to fraction form
    130,114.85/195,172.34 = 36,620.60/x
  3. Step 3: Cross multiply
    130,114.85x = 195,172.34 × 36,620.60
  4. Step 4: Simplify right side
    130,114.85x = 7,147,327,035.24
  5. Step 5: Solve for x
    x = 7,147,327,035.24/130,114.85
  6. Step 6: Final answer
    x = 54,930.91

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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.