Home / 130,172.40-195,250.40-41,489.55

Finding the Fourth Proportional to 130,172.40, 195,250.40 and 41,489.55

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Solution

The fourth proportional to 130,172.40, 195,250.40 and 41,489.55 is: 62,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,172.40 : 195,250.40 = 41,489.55 : x
  2. Step 2: Convert to fraction form
    130,172.40/195,250.40 = 41,489.55/x
  3. Step 3: Cross multiply
    130,172.40x = 195,250.40 × 41,489.55
  4. Step 4: Simplify right side
    130,172.40x = 8,100,851,181.46
  5. Step 5: Solve for x
    x = 8,100,851,181.46/130,172.40
  6. Step 6: Final answer
    x = 62,231.71

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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.