Home / 130,020.20-194,738.70-106,692.20

Finding the Fourth Proportional to 130,020.20, 194,738.70 and 106,692.20

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Solution

The fourth proportional to 130,020.20, 194,738.70 and 106,692.20 is: 159,799.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,020.20 : 194,738.70 = 106,692.20 : x
  2. Step 2: Convert to fraction form
    130,020.20/194,738.70 = 106,692.20/x
  3. Step 3: Cross multiply
    130,020.20x = 194,738.70 × 106,692.20
  4. Step 4: Simplify right side
    130,020.20x = 20,777,100,328.14
  5. Step 5: Solve for x
    x = 20,777,100,328.14/130,020.20
  6. Step 6: Final answer
    x = 159,799.02

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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.