Home / 126,277.55-189,395.72-51,394.67

Finding the Fourth Proportional to 126,277.55, 189,395.72 and 51,394.67

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Solution

The fourth proportional to 126,277.55, 189,395.72 and 51,394.67 is: 77,083.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,277.55 : 189,395.72 = 51,394.67 : x
  2. Step 2: Convert to fraction form
    126,277.55/189,395.72 = 51,394.67/x
  3. Step 3: Cross multiply
    126,277.55x = 189,395.72 × 51,394.67
  4. Step 4: Simplify right side
    126,277.55x = 9,733,930,227.82
  5. Step 5: Solve for x
    x = 9,733,930,227.82/126,277.55
  6. Step 6: Final answer
    x = 77,083.62

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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.