Home / 135,926.46-203,889.69-42,440.22

Finding the Fourth Proportional to 135,926.46, 203,889.69 and 42,440.22

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Solution

The fourth proportional to 135,926.46, 203,889.69 and 42,440.22 is: 63,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,926.46 : 203,889.69 = 42,440.22 : x
  2. Step 2: Convert to fraction form
    135,926.46/203,889.69 = 42,440.22/x
  3. Step 3: Cross multiply
    135,926.46x = 203,889.69 × 42,440.22
  4. Step 4: Simplify right side
    135,926.46x = 8,653,123,299.33
  5. Step 5: Solve for x
    x = 8,653,123,299.33/135,926.46
  6. Step 6: Final answer
    x = 63,660.33

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1.5x scale

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.