Home / 84,197.72-126,187.23-34,219.67

Finding the Fourth Proportional to 84,197.72, 126,187.23 and 34,219.67

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Solution

The fourth proportional to 84,197.72, 126,187.23 and 34,219.67 is: 51,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,197.72 : 126,187.23 = 34,219.67 : x
  2. Step 2: Convert to fraction form
    84,197.72/126,187.23 = 34,219.67/x
  3. Step 3: Cross multiply
    84,197.72x = 126,187.23 × 34,219.67
  4. Step 4: Simplify right side
    84,197.72x = 4,318,084,737.88
  5. Step 5: Solve for x
    x = 4,318,084,737.88/84,197.72
  6. Step 6: Final answer
    x = 51,285.06

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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.