Home / 130,160.80-195,241.38-40,205.44

Finding the Fourth Proportional to 130,160.80, 195,241.38 and 40,205.44

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Solution

The fourth proportional to 130,160.80, 195,241.38 and 40,205.44 is: 60,308.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,160.80 : 195,241.38 = 40,205.44 : x
  2. Step 2: Convert to fraction form
    130,160.80/195,241.38 = 40,205.44/x
  3. Step 3: Cross multiply
    130,160.80x = 195,241.38 × 40,205.44
  4. Step 4: Simplify right side
    130,160.80x = 7,849,765,589.11
  5. Step 5: Solve for x
    x = 7,849,765,589.11/130,160.80
  6. Step 6: Final answer
    x = 60,308.22

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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.