Home / 163,546.10-245,414.34-68,769.42

Finding the Fourth Proportional to 163,546.10, 245,414.34 and 68,769.42

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Solution

The fourth proportional to 163,546.10, 245,414.34 and 68,769.42 is: 103,194.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,546.10 : 245,414.34 = 68,769.42 : x
  2. Step 2: Convert to fraction form
    163,546.10/245,414.34 = 68,769.42/x
  3. Step 3: Cross multiply
    163,546.10x = 245,414.34 × 68,769.42
  4. Step 4: Simplify right side
    163,546.10x = 16,877,001,821.48
  5. Step 5: Solve for x
    x = 16,877,001,821.48/163,546.10
  6. Step 6: Final answer
    x = 103,194.16

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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.