Home / 139,133.45-208,732.94-110,777.65

Finding the Fourth Proportional to 139,133.45, 208,732.94 and 110,777.65

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Solution

The fourth proportional to 139,133.45, 208,732.94 and 110,777.65 is: 166,192.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,133.45 : 208,732.94 = 110,777.65 : x
  2. Step 2: Convert to fraction form
    139,133.45/208,732.94 = 110,777.65/x
  3. Step 3: Cross multiply
    139,133.45x = 208,732.94 × 110,777.65
  4. Step 4: Simplify right side
    139,133.45x = 23,122,943,910.49
  5. Step 5: Solve for x
    x = 23,122,943,910.49/139,133.45
  6. Step 6: Final answer
    x = 166,192.55

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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.