Home / 135,746.72-203,430.24-115,651.52

Finding the Fourth Proportional to 135,746.72, 203,430.24 and 115,651.52

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Solution

The fourth proportional to 135,746.72, 203,430.24 and 115,651.52 is: 173,315.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,746.72 : 203,430.24 = 115,651.52 : x
  2. Step 2: Convert to fraction form
    135,746.72/203,430.24 = 115,651.52/x
  3. Step 3: Cross multiply
    135,746.72x = 203,430.24 × 115,651.52
  4. Step 4: Simplify right side
    135,746.72x = 23,527,016,469.96
  5. Step 5: Solve for x
    x = 23,527,016,469.96/135,746.72
  6. Step 6: Final answer
    x = 173,315.54

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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.