Home / 139,991.02-210,028.92-50,021.96

Finding the Fourth Proportional to 139,991.02, 210,028.92 and 50,021.96

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Solution

The fourth proportional to 139,991.02, 210,028.92 and 50,021.96 is: 75,048.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,991.02 : 210,028.92 = 50,021.96 : x
  2. Step 2: Convert to fraction form
    139,991.02/210,028.92 = 50,021.96/x
  3. Step 3: Cross multiply
    139,991.02x = 210,028.92 × 50,021.96
  4. Step 4: Simplify right side
    139,991.02x = 10,506,058,235.08
  5. Step 5: Solve for x
    x = 10,506,058,235.08/139,991.02
  6. Step 6: Final answer
    x = 75,048.09

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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.