Home / 203,981.24-305,971.80-63,739.86

Finding the Fourth Proportional to 203,981.24, 305,971.80 and 63,739.86

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Solution

The fourth proportional to 203,981.24, 305,971.80 and 63,739.86 is: 95,609.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,981.24 : 305,971.80 = 63,739.86 : x
  2. Step 2: Convert to fraction form
    203,981.24/305,971.80 = 63,739.86/x
  3. Step 3: Cross multiply
    203,981.24x = 305,971.80 × 63,739.86
  4. Step 4: Simplify right side
    203,981.24x = 19,502,599,456.92
  5. Step 5: Solve for x
    x = 19,502,599,456.92/203,981.24
  6. Step 6: Final answer
    x = 95,609.77

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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.