Home / 223,977.81-335,177.34-139,777.55

Finding the Fourth Proportional to 223,977.81, 335,177.34 and 139,777.55

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Solution

The fourth proportional to 223,977.81, 335,177.34 and 139,777.55 is: 209,173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,977.81 : 335,177.34 = 139,777.55 : x
  2. Step 2: Convert to fraction form
    223,977.81/335,177.34 = 139,777.55/x
  3. Step 3: Cross multiply
    223,977.81x = 335,177.34 × 139,777.55
  4. Step 4: Simplify right side
    223,977.81x = 46,850,267,243.83
  5. Step 5: Solve for x
    x = 46,850,267,243.83/223,977.81
  6. Step 6: Final answer
    x = 209,173.70

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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.