Home / 248,720.79-373,134.50-80,250.75

Finding the Fourth Proportional to 248,720.79, 373,134.50 and 80,250.75

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Solution

The fourth proportional to 248,720.79, 373,134.50 and 80,250.75 is: 120,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,720.79 : 373,134.50 = 80,250.75 : x
  2. Step 2: Convert to fraction form
    248,720.79/373,134.50 = 80,250.75/x
  3. Step 3: Cross multiply
    248,720.79x = 373,134.50 × 80,250.75
  4. Step 4: Simplify right side
    248,720.79x = 29,944,323,074.62
  5. Step 5: Solve for x
    x = 29,944,323,074.62/248,720.79
  6. Step 6: Final answer
    x = 120,393.33

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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.