Home / 130,217.96-195,338.46-71,028.20

Finding the Fourth Proportional to 130,217.96, 195,338.46 and 71,028.20

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Solution

The fourth proportional to 130,217.96, 195,338.46 and 71,028.20 is: 106,548.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,217.96 : 195,338.46 = 71,028.20 : x
  2. Step 2: Convert to fraction form
    130,217.96/195,338.46 = 71,028.20/x
  3. Step 3: Cross multiply
    130,217.96x = 195,338.46 × 71,028.20
  4. Step 4: Simplify right side
    130,217.96x = 13,874,539,204.57
  5. Step 5: Solve for x
    x = 13,874,539,204.57/130,217.96
  6. Step 6: Final answer
    x = 106,548.58

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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.