Home / 126,000.82-189,035.34-47,123.02

Finding the Fourth Proportional to 126,000.82, 189,035.34 and 47,123.02

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Solution

The fourth proportional to 126,000.82, 189,035.34 and 47,123.02 is: 70,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,000.82 : 189,035.34 = 47,123.02 : x
  2. Step 2: Convert to fraction form
    126,000.82/189,035.34 = 47,123.02/x
  3. Step 3: Cross multiply
    126,000.82x = 189,035.34 × 47,123.02
  4. Step 4: Simplify right side
    126,000.82x = 8,907,916,107.53
  5. Step 5: Solve for x
    x = 8,907,916,107.53/126,000.82
  6. Step 6: Final answer
    x = 70,697.29

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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.