Home / 206,501.24-309,309.60-101,100.80

Finding the Fourth Proportional to 206,501.24, 309,309.60 and 101,100.80

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Solution

The fourth proportional to 206,501.24, 309,309.60 and 101,100.80 is: 151,434.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,501.24 : 309,309.60 = 101,100.80 : x
  2. Step 2: Convert to fraction form
    206,501.24/309,309.60 = 101,100.80/x
  3. Step 3: Cross multiply
    206,501.24x = 309,309.60 × 101,100.80
  4. Step 4: Simplify right side
    206,501.24x = 31,271,448,007.68
  5. Step 5: Solve for x
    x = 31,271,448,007.68/206,501.24
  6. Step 6: Final answer
    x = 151,434.67

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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.