Home / 205,422.24-308,221.20-98,754.96

Finding the Fourth Proportional to 205,422.24, 308,221.20 and 98,754.96

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Solution

The fourth proportional to 205,422.24, 308,221.20 and 98,754.96 is: 148,174.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,422.24 : 308,221.20 = 98,754.96 : x
  2. Step 2: Convert to fraction form
    205,422.24/308,221.20 = 98,754.96/x
  3. Step 3: Cross multiply
    205,422.24x = 308,221.20 × 98,754.96
  4. Step 4: Simplify right side
    205,422.24x = 30,438,372,277.15
  5. Step 5: Solve for x
    x = 30,438,372,277.15/205,422.24
  6. Step 6: Final answer
    x = 148,174.67

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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.