Home / 223,839.36-335,871.60-139,577.76

Finding the Fourth Proportional to 223,839.36, 335,871.60 and 139,577.76

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Solution

The fourth proportional to 223,839.36, 335,871.60 and 139,577.76 is: 209,436.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,839.36 : 335,871.60 = 139,577.76 : x
  2. Step 2: Convert to fraction form
    223,839.36/335,871.60 = 139,577.76/x
  3. Step 3: Cross multiply
    223,839.36x = 335,871.60 × 139,577.76
  4. Step 4: Simplify right side
    223,839.36x = 46,880,205,575.62
  5. Step 5: Solve for x
    x = 46,880,205,575.62/223,839.36
  6. Step 6: Final answer
    x = 209,436.83

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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.