Home / 126,339.85-189,508.14-36,384.76

Finding the Fourth Proportional to 126,339.85, 189,508.14 and 36,384.76

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Solution

The fourth proportional to 126,339.85, 189,508.14 and 36,384.76 is: 54,576.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,339.85 : 189,508.14 = 36,384.76 : x
  2. Step 2: Convert to fraction form
    126,339.85/189,508.14 = 36,384.76/x
  3. Step 3: Cross multiply
    126,339.85x = 189,508.14 × 36,384.76
  4. Step 4: Simplify right side
    126,339.85x = 6,895,208,191.95
  5. Step 5: Solve for x
    x = 6,895,208,191.95/126,339.85
  6. Step 6: Final answer
    x = 54,576.67

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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.