Home / 221,741.32-306,027.30-126,232.60

Finding the Fourth Proportional to 221,741.32, 306,027.30 and 126,232.60

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Solution

The fourth proportional to 221,741.32, 306,027.30 and 126,232.60 is: 174,214.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,741.32 : 306,027.30 = 126,232.60 : x
  2. Step 2: Convert to fraction form
    221,741.32/306,027.30 = 126,232.60/x
  3. Step 3: Cross multiply
    221,741.32x = 306,027.30 × 126,232.60
  4. Step 4: Simplify right side
    221,741.32x = 38,630,621,749.98
  5. Step 5: Solve for x
    x = 38,630,621,749.98/221,741.32
  6. Step 6: Final answer
    x = 174,214.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.