Home / 130,170.63-195,181.21-51,241.80

Finding the Fourth Proportional to 130,170.63, 195,181.21 and 51,241.80

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Solution

The fourth proportional to 130,170.63, 195,181.21 and 51,241.80 is: 76,833.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,170.63 : 195,181.21 = 51,241.80 : x
  2. Step 2: Convert to fraction form
    130,170.63/195,181.21 = 51,241.80/x
  3. Step 3: Cross multiply
    130,170.63x = 195,181.21 × 51,241.80
  4. Step 4: Simplify right side
    130,170.63x = 10,001,436,526.58
  5. Step 5: Solve for x
    x = 10,001,436,526.58/130,170.63
  6. Step 6: Final answer
    x = 76,833.28

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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.