Home / 130,120.80-195,181.20-41,380.80

Finding the Fourth Proportional to 130,120.80, 195,181.20 and 41,380.80

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Solution

The fourth proportional to 130,120.80, 195,181.20 and 41,380.80 is: 62,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,120.80 : 195,181.20 = 41,380.80 : x
  2. Step 2: Convert to fraction form
    130,120.80/195,181.20 = 41,380.80/x
  3. Step 3: Cross multiply
    130,120.80x = 195,181.20 × 41,380.80
  4. Step 4: Simplify right side
    130,120.80x = 8,076,754,200.96
  5. Step 5: Solve for x
    x = 8,076,754,200.96/130,120.80
  6. Step 6: Final answer
    x = 62,071.20

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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.