Home / 207,986.28-312,034.74-65,834.28

Finding the Fourth Proportional to 207,986.28, 312,034.74 and 65,834.28

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Solution

The fourth proportional to 207,986.28, 312,034.74 and 65,834.28 is: 98,768.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,986.28 : 312,034.74 = 65,834.28 : x
  2. Step 2: Convert to fraction form
    207,986.28/312,034.74 = 65,834.28/x
  3. Step 3: Cross multiply
    207,986.28x = 312,034.74 × 65,834.28
  4. Step 4: Simplify right side
    207,986.28x = 20,542,582,442.89
  5. Step 5: Solve for x
    x = 20,542,582,442.89/207,986.28
  6. Step 6: Final answer
    x = 98,768.93

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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.