Home / 84,183.54-126,165.65-34,205.21

Finding the Fourth Proportional to 84,183.54, 126,165.65 and 34,205.21

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Solution

The fourth proportional to 84,183.54, 126,165.65 and 34,205.21 is: 51,263.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,183.54 : 126,165.65 = 34,205.21 : x
  2. Step 2: Convert to fraction form
    84,183.54/126,165.65 = 34,205.21/x
  3. Step 3: Cross multiply
    84,183.54x = 126,165.65 × 34,205.21
  4. Step 4: Simplify right side
    84,183.54x = 4,315,521,751.18
  5. Step 5: Solve for x
    x = 4,315,521,751.18/84,183.54
  6. Step 6: Final answer
    x = 51,263.25

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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.