Home / 84,222.33-126,443.78-56,321.68

Finding the Fourth Proportional to 84,222.33, 126,443.78 and 56,321.68

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Solution

The fourth proportional to 84,222.33, 126,443.78 and 56,321.68 is: 84,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,222.33 : 126,443.78 = 56,321.68 : x
  2. Step 2: Convert to fraction form
    84,222.33/126,443.78 = 56,321.68/x
  3. Step 3: Cross multiply
    84,222.33x = 126,443.78 × 56,321.68
  4. Step 4: Simplify right side
    84,222.33x = 7,121,526,282.53
  5. Step 5: Solve for x
    x = 7,121,526,282.53/84,222.33
  6. Step 6: Final answer
    x = 84,556.27

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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.