Home / 126,269.34-189,348.58-47,328.21

Finding the Fourth Proportional to 126,269.34, 189,348.58 and 47,328.21

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Solution

The fourth proportional to 126,269.34, 189,348.58 and 47,328.21 is: 70,971.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,269.34 : 189,348.58 = 47,328.21 : x
  2. Step 2: Convert to fraction form
    126,269.34/189,348.58 = 47,328.21/x
  3. Step 3: Cross multiply
    126,269.34x = 189,348.58 × 47,328.21
  4. Step 4: Simplify right side
    126,269.34x = 8,961,529,357.44
  5. Step 5: Solve for x
    x = 8,961,529,357.44/126,269.34
  6. Step 6: Final answer
    x = 70,971.54

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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.