Home / 227,439.48-313,861.47-125,465.03

Finding the Fourth Proportional to 227,439.48, 313,861.47 and 125,465.03

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Solution

The fourth proportional to 227,439.48, 313,861.47 and 125,465.03 is: 173,138.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,439.48 : 313,861.47 = 125,465.03 : x
  2. Step 2: Convert to fraction form
    227,439.48/313,861.47 = 125,465.03/x
  3. Step 3: Cross multiply
    227,439.48x = 313,861.47 × 125,465.03
  4. Step 4: Simplify right side
    227,439.48x = 39,378,638,749.39
  5. Step 5: Solve for x
    x = 39,378,638,749.39/227,439.48
  6. Step 6: Final answer
    x = 173,138.98

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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.