Home / 208,086.24-312,161.76-67,812.24

Finding the Fourth Proportional to 208,086.24, 312,161.76 and 67,812.24

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Solution

The fourth proportional to 208,086.24, 312,161.76 and 67,812.24 is: 101,728.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,086.24 : 312,161.76 = 67,812.24 : x
  2. Step 2: Convert to fraction form
    208,086.24/312,161.76 = 67,812.24/x
  3. Step 3: Cross multiply
    208,086.24x = 312,161.76 × 67,812.24
  4. Step 4: Simplify right side
    208,086.24x = 21,168,388,187.94
  5. Step 5: Solve for x
    x = 21,168,388,187.94/208,086.24
  6. Step 6: Final answer
    x = 101,728.92

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1.5x scale

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.