Home / 130,010.20-195,015.30-107,459.80

Finding the Fourth Proportional to 130,010.20, 195,015.30 and 107,459.80

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Solution

The fourth proportional to 130,010.20, 195,015.30 and 107,459.80 is: 161,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,010.20 : 195,015.30 = 107,459.80 : x
  2. Step 2: Convert to fraction form
    130,010.20/195,015.30 = 107,459.80/x
  3. Step 3: Cross multiply
    130,010.20x = 195,015.30 × 107,459.80
  4. Step 4: Simplify right side
    130,010.20x = 20,956,305,134.94
  5. Step 5: Solve for x
    x = 20,956,305,134.94/130,010.20
  6. Step 6: Final answer
    x = 161,189.70

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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.