Home / 199,127.35-298,636.35-72,744.27

Finding the Fourth Proportional to 199,127.35, 298,636.35 and 72,744.27

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Solution

The fourth proportional to 199,127.35, 298,636.35 and 72,744.27 is: 109,096.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,127.35 : 298,636.35 = 72,744.27 : x
  2. Step 2: Convert to fraction form
    199,127.35/298,636.35 = 72,744.27/x
  3. Step 3: Cross multiply
    199,127.35x = 298,636.35 × 72,744.27
  4. Step 4: Simplify right side
    199,127.35x = 21,724,083,276.21
  5. Step 5: Solve for x
    x = 21,724,083,276.21/199,127.35
  6. Step 6: Final answer
    x = 109,096.43

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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.