Home / 130,396.80-195,595.20-71,200.18

Finding the Fourth Proportional to 130,396.80, 195,595.20 and 71,200.18

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Solution

The fourth proportional to 130,396.80, 195,595.20 and 71,200.18 is: 106,800.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,396.80 : 195,595.20 = 71,200.18 : x
  2. Step 2: Convert to fraction form
    130,396.80/195,595.20 = 71,200.18/x
  3. Step 3: Cross multiply
    130,396.80x = 195,595.20 × 71,200.18
  4. Step 4: Simplify right side
    130,396.80x = 13,926,412,958.15
  5. Step 5: Solve for x
    x = 13,926,412,958.15/130,396.80
  6. Step 6: Final answer
    x = 106,800.27

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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.