Home / 135,926.96-203,890.44-42,440.72

Finding the Fourth Proportional to 135,926.96, 203,890.44 and 42,440.72

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Solution

The fourth proportional to 135,926.96, 203,890.44 and 42,440.72 is: 63,661.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,926.96 : 203,890.44 = 42,440.72 : x
  2. Step 2: Convert to fraction form
    135,926.96/203,890.44 = 42,440.72/x
  3. Step 3: Cross multiply
    135,926.96x = 203,890.44 × 42,440.72
  4. Step 4: Simplify right side
    135,926.96x = 8,653,257,074.72
  5. Step 5: Solve for x
    x = 8,653,257,074.72/135,926.96
  6. Step 6: Final answer
    x = 63,661.08

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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.