Home / 193,309.20-289,968.66-75,007.08

Finding the Fourth Proportional to 193,309.20, 289,968.66 and 75,007.08

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Solution

The fourth proportional to 193,309.20, 289,968.66 and 75,007.08 is: 112,512.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,309.20 : 289,968.66 = 75,007.08 : x
  2. Step 2: Convert to fraction form
    193,309.20/289,968.66 = 75,007.08/x
  3. Step 3: Cross multiply
    193,309.20x = 289,968.66 × 75,007.08
  4. Step 4: Simplify right side
    193,309.20x = 21,749,702,478.11
  5. Step 5: Solve for x
    x = 21,749,702,478.11/193,309.20
  6. Step 6: Final answer
    x = 112,512.51

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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.