Home / 180,221.94-248,688.73-99,638.43

Finding the Fourth Proportional to 180,221.94, 248,688.73 and 99,638.43

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Solution

The fourth proportional to 180,221.94, 248,688.73 and 99,638.43 is: 137,491.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,221.94 : 248,688.73 = 99,638.43 : x
  2. Step 2: Convert to fraction form
    180,221.94/248,688.73 = 99,638.43/x
  3. Step 3: Cross multiply
    180,221.94x = 248,688.73 × 99,638.43
  4. Step 4: Simplify right side
    180,221.94x = 24,778,954,615.89
  5. Step 5: Solve for x
    x = 24,778,954,615.89/180,221.94
  6. Step 6: Final answer
    x = 137,491.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.