Home / 204,430.45-306,708.49-104,660.68

Finding the Fourth Proportional to 204,430.45, 306,708.49 and 104,660.68

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Solution

The fourth proportional to 204,430.45, 306,708.49 and 104,660.68 is: 157,023.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,430.45 : 306,708.49 = 104,660.68 : x
  2. Step 2: Convert to fraction form
    204,430.45/306,708.49 = 104,660.68/x
  3. Step 3: Cross multiply
    204,430.45x = 306,708.49 × 104,660.68
  4. Step 4: Simplify right side
    204,430.45x = 32,100,319,125.17
  5. Step 5: Solve for x
    x = 32,100,319,125.17/204,430.45
  6. Step 6: Final answer
    x = 157,023.18

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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.