Home / 130,069.45-195,122.76-40,119.73

Finding the Fourth Proportional to 130,069.45, 195,122.76 and 40,119.73

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Solution

The fourth proportional to 130,069.45, 195,122.76 and 40,119.73 is: 60,185.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,069.45 : 195,122.76 = 40,119.73 : x
  2. Step 2: Convert to fraction form
    130,069.45/195,122.76 = 40,119.73/x
  3. Step 3: Cross multiply
    130,069.45x = 195,122.76 × 40,119.73
  4. Step 4: Simplify right side
    130,069.45x = 7,828,272,448.05
  5. Step 5: Solve for x
    x = 7,828,272,448.05/130,069.45
  6. Step 6: Final answer
    x = 60,185.33

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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.