Home / 133,928.78-200,886.66-49,705.36

Finding the Fourth Proportional to 133,928.78, 200,886.66 and 49,705.36

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Solution

The fourth proportional to 133,928.78, 200,886.66 and 49,705.36 is: 74,555.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,928.78 : 200,886.66 = 49,705.36 : x
  2. Step 2: Convert to fraction form
    133,928.78/200,886.66 = 49,705.36/x
  3. Step 3: Cross multiply
    133,928.78x = 200,886.66 × 49,705.36
  4. Step 4: Simplify right side
    133,928.78x = 9,985,143,754.50
  5. Step 5: Solve for x
    x = 9,985,143,754.50/133,928.78
  6. Step 6: Final answer
    x = 74,555.62

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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.