Home / 197,237.70-295,856.55-126,378.90

Finding the Fourth Proportional to 197,237.70, 295,856.55 and 126,378.90

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Solution

The fourth proportional to 197,237.70, 295,856.55 and 126,378.90 is: 189,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,237.70 : 295,856.55 = 126,378.90 : x
  2. Step 2: Convert to fraction form
    197,237.70/295,856.55 = 126,378.90/x
  3. Step 3: Cross multiply
    197,237.70x = 295,856.55 × 126,378.90
  4. Step 4: Simplify right side
    197,237.70x = 37,390,025,346.80
  5. Step 5: Solve for x
    x = 37,390,025,346.80/197,237.70
  6. Step 6: Final answer
    x = 189,568.35

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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.