Home / 198,713.49-298,095.93-72,334.41

Finding the Fourth Proportional to 198,713.49, 298,095.93 and 72,334.41

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Solution

The fourth proportional to 198,713.49, 298,095.93 and 72,334.41 is: 108,510.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,713.49 : 298,095.93 = 72,334.41 : x
  2. Step 2: Convert to fraction form
    198,713.49/298,095.93 = 72,334.41/x
  3. Step 3: Cross multiply
    198,713.49x = 298,095.93 × 72,334.41
  4. Step 4: Simplify right side
    198,713.49x = 21,562,593,219.95
  5. Step 5: Solve for x
    x = 21,562,593,219.95/198,713.49
  6. Step 6: Final answer
    x = 108,510.97

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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.