Home / 126,384.12-189,523.46-51,453.38

Finding the Fourth Proportional to 126,384.12, 189,523.46 and 51,453.38

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Solution

The fourth proportional to 126,384.12, 189,523.46 and 51,453.38 is: 77,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,384.12 : 189,523.46 = 51,453.38 : x
  2. Step 2: Convert to fraction form
    126,384.12/189,523.46 = 51,453.38/x
  3. Step 3: Cross multiply
    126,384.12x = 189,523.46 × 51,453.38
  4. Step 4: Simplify right side
    126,384.12x = 9,751,621,401.41
  5. Step 5: Solve for x
    x = 9,751,621,401.41/126,384.12
  6. Step 6: Final answer
    x = 77,158.60

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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.