Home / 163,738.82-245,594.16-99,680.33

Finding the Fourth Proportional to 163,738.82, 245,594.16 and 99,680.33

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Solution

The fourth proportional to 163,738.82, 245,594.16 and 99,680.33 is: 149,511.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,738.82 : 245,594.16 = 99,680.33 : x
  2. Step 2: Convert to fraction form
    163,738.82/245,594.16 = 99,680.33/x
  3. Step 3: Cross multiply
    163,738.82x = 245,594.16 × 99,680.33
  4. Step 4: Simplify right side
    163,738.82x = 24,480,906,914.87
  5. Step 5: Solve for x
    x = 24,480,906,914.87/163,738.82
  6. Step 6: Final answer
    x = 149,511.93

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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.