Home / 84,333.94-126,457.92-28,153.85

Finding the Fourth Proportional to 84,333.94, 126,457.92 and 28,153.85

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Solution

The fourth proportional to 84,333.94, 126,457.92 and 28,153.85 is: 42,216.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,333.94 : 126,457.92 = 28,153.85 : x
  2. Step 2: Convert to fraction form
    84,333.94/126,457.92 = 28,153.85/x
  3. Step 3: Cross multiply
    84,333.94x = 126,457.92 × 28,153.85
  4. Step 4: Simplify right side
    84,333.94x = 3,560,277,310.99
  5. Step 5: Solve for x
    x = 3,560,277,310.99/84,333.94
  6. Step 6: Final answer
    x = 42,216.42

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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.