Home / 139,990.02-210,027.42-50,020.95

Finding the Fourth Proportional to 139,990.02, 210,027.42 and 50,020.95

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Solution

The fourth proportional to 139,990.02, 210,027.42 and 50,020.95 is: 75,046.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,990.02 : 210,027.42 = 50,020.95 : x
  2. Step 2: Convert to fraction form
    139,990.02/210,027.42 = 50,020.95/x
  3. Step 3: Cross multiply
    139,990.02x = 210,027.42 × 50,020.95
  4. Step 4: Simplify right side
    139,990.02x = 10,505,771,074.45
  5. Step 5: Solve for x
    x = 10,505,771,074.45/139,990.02
  6. Step 6: Final answer
    x = 75,046.57

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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.