Home / 163,546.12-245,414.32-68,769.44

Finding the Fourth Proportional to 163,546.12, 245,414.32 and 68,769.44

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Solution

The fourth proportional to 163,546.12, 245,414.32 and 68,769.44 is: 103,194.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,546.12 : 245,414.32 = 68,769.44 : x
  2. Step 2: Convert to fraction form
    163,546.12/245,414.32 = 68,769.44/x
  3. Step 3: Cross multiply
    163,546.12x = 245,414.32 × 68,769.44
  4. Step 4: Simplify right side
    163,546.12x = 16,877,005,354.38
  5. Step 5: Solve for x
    x = 16,877,005,354.38/163,546.12
  6. Step 6: Final answer
    x = 103,194.17

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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.