Home / 126,028.87-189,130.61-50,119.63

Finding the Fourth Proportional to 126,028.87, 189,130.61 and 50,119.63

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Solution

The fourth proportional to 126,028.87, 189,130.61 and 50,119.63 is: 75,214.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,028.87 : 189,130.61 = 50,119.63 : x
  2. Step 2: Convert to fraction form
    126,028.87/189,130.61 = 50,119.63/x
  3. Step 3: Cross multiply
    126,028.87x = 189,130.61 × 50,119.63
  4. Step 4: Simplify right side
    126,028.87x = 9,479,155,656.35
  5. Step 5: Solve for x
    x = 9,479,155,656.35/126,028.87
  6. Step 6: Final answer
    x = 75,214.16

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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.