Home / 209,007.20-313,350.06-103,744.52

Finding the Fourth Proportional to 209,007.20, 313,350.06 and 103,744.52

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Solution

The fourth proportional to 209,007.20, 313,350.06 and 103,744.52 is: 155,536.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,007.20 : 313,350.06 = 103,744.52 : x
  2. Step 2: Convert to fraction form
    209,007.20/313,350.06 = 103,744.52/x
  3. Step 3: Cross multiply
    209,007.20x = 313,350.06 × 103,744.52
  4. Step 4: Simplify right side
    209,007.20x = 32,508,351,566.67
  5. Step 5: Solve for x
    x = 32,508,351,566.67/209,007.20
  6. Step 6: Final answer
    x = 155,536.99

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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.