Home / 84,199.72-126,190.23-34,221.67

Finding the Fourth Proportional to 84,199.72, 126,190.23 and 34,221.67

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Solution

The fourth proportional to 84,199.72, 126,190.23 and 34,221.67 is: 51,288.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,199.72 : 126,190.23 = 34,221.67 : x
  2. Step 2: Convert to fraction form
    84,199.72/126,190.23 = 34,221.67/x
  3. Step 3: Cross multiply
    84,199.72x = 126,190.23 × 34,221.67
  4. Step 4: Simplify right side
    84,199.72x = 4,318,440,408.28
  5. Step 5: Solve for x
    x = 4,318,440,408.28/84,199.72
  6. Step 6: Final answer
    x = 51,288.06

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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.