Home / 152,355.67-228,074.23-82,021.75

Finding the Fourth Proportional to 152,355.67, 228,074.23 and 82,021.75

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Solution

The fourth proportional to 152,355.67, 228,074.23 and 82,021.75 is: 122,785.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,355.67 : 228,074.23 = 82,021.75 : x
  2. Step 2: Convert to fraction form
    152,355.67/228,074.23 = 82,021.75/x
  3. Step 3: Cross multiply
    152,355.67x = 228,074.23 × 82,021.75
  4. Step 4: Simplify right side
    152,355.67x = 18,707,047,474.50
  5. Step 5: Solve for x
    x = 18,707,047,474.50/152,355.67
  6. Step 6: Final answer
    x = 122,785.37

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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.