Home / 135,926.71-203,890.07-42,440.47

Finding the Fourth Proportional to 135,926.71, 203,890.07 and 42,440.47

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Solution

The fourth proportional to 135,926.71, 203,890.07 and 42,440.47 is: 63,660.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,926.71 : 203,890.07 = 42,440.47 : x
  2. Step 2: Convert to fraction form
    135,926.71/203,890.07 = 42,440.47/x
  3. Step 3: Cross multiply
    135,926.71x = 203,890.07 × 42,440.47
  4. Step 4: Simplify right side
    135,926.71x = 8,653,190,399.13
  5. Step 5: Solve for x
    x = 8,653,190,399.13/135,926.71
  6. Step 6: Final answer
    x = 63,660.71

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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.