Home / 126,476.28-189,790.32-50,561.22

Finding the Fourth Proportional to 126,476.28, 189,790.32 and 50,561.22

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Solution

The fourth proportional to 126,476.28, 189,790.32 and 50,561.22 is: 75,872.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,476.28 : 189,790.32 = 50,561.22 : x
  2. Step 2: Convert to fraction form
    126,476.28/189,790.32 = 50,561.22/x
  3. Step 3: Cross multiply
    126,476.28x = 189,790.32 × 50,561.22
  4. Step 4: Simplify right side
    126,476.28x = 9,596,030,123.39
  5. Step 5: Solve for x
    x = 9,596,030,123.39/126,476.28
  6. Step 6: Final answer
    x = 75,872.17

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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.