Home / 134,124.20-200,879.10-68,383.40

Finding the Fourth Proportional to 134,124.20, 200,879.10 and 68,383.40

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Solution

The fourth proportional to 134,124.20, 200,879.10 and 68,383.40 is: 102,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,124.20 : 200,879.10 = 68,383.40 : x
  2. Step 2: Convert to fraction form
    134,124.20/200,879.10 = 68,383.40/x
  3. Step 3: Cross multiply
    134,124.20x = 200,879.10 × 68,383.40
  4. Step 4: Simplify right side
    134,124.20x = 13,736,795,846.94
  5. Step 5: Solve for x
    x = 13,736,795,846.94/134,124.20
  6. Step 6: Final answer
    x = 102,418.47

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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.