Home / 208,352.42-312,550.59-68,110.82

Finding the Fourth Proportional to 208,352.42, 312,550.59 and 68,110.82

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Solution

The fourth proportional to 208,352.42, 312,550.59 and 68,110.82 is: 102,173.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,352.42 : 312,550.59 = 68,110.82 : x
  2. Step 2: Convert to fraction form
    208,352.42/312,550.59 = 68,110.82/x
  3. Step 3: Cross multiply
    208,352.42x = 312,550.59 × 68,110.82
  4. Step 4: Simplify right side
    208,352.42x = 21,288,076,976.38
  5. Step 5: Solve for x
    x = 21,288,076,976.38/208,352.42
  6. Step 6: Final answer
    x = 102,173.41

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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.