Home / 166,947.62-250,503.64-78,185.79

Finding the Fourth Proportional to 166,947.62, 250,503.64 and 78,185.79

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Solution

The fourth proportional to 166,947.62, 250,503.64 and 78,185.79 is: 117,317.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,947.62 : 250,503.64 = 78,185.79 : x
  2. Step 2: Convert to fraction form
    166,947.62/250,503.64 = 78,185.79/x
  3. Step 3: Cross multiply
    166,947.62x = 250,503.64 × 78,185.79
  4. Step 4: Simplify right side
    166,947.62x = 19,585,824,795.81
  5. Step 5: Solve for x
    x = 19,585,824,795.81/166,947.62
  6. Step 6: Final answer
    x = 117,317.19

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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.