Home / 203,011.53-280,148.76-112,367.67

Finding the Fourth Proportional to 203,011.53, 280,148.76 and 112,367.67

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Solution

The fourth proportional to 203,011.53, 280,148.76 and 112,367.67 is: 155,063.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,011.53 : 280,148.76 = 112,367.67 : x
  2. Step 2: Convert to fraction form
    203,011.53/280,148.76 = 112,367.67/x
  3. Step 3: Cross multiply
    203,011.53x = 280,148.76 × 112,367.67
  4. Step 4: Simplify right side
    203,011.53x = 31,479,663,414.59
  5. Step 5: Solve for x
    x = 31,479,663,414.59/203,011.53
  6. Step 6: Final answer
    x = 155,063.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.