Home / 98,765.09-148,109.36-35,571.73

Finding the Fourth Proportional to 98,765.09, 148,109.36 and 35,571.73

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Solution

The fourth proportional to 98,765.09, 148,109.36 and 35,571.73 is: 53,343.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,765.09 : 148,109.36 = 35,571.73 : x
  2. Step 2: Convert to fraction form
    98,765.09/148,109.36 = 35,571.73/x
  3. Step 3: Cross multiply
    98,765.09x = 148,109.36 × 35,571.73
  4. Step 4: Simplify right side
    98,765.09x = 5,268,505,423.85
  5. Step 5: Solve for x
    x = 5,268,505,423.85/98,765.09
  6. Step 6: Final answer
    x = 53,343.80

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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.