Home / 177,185.78-265,778.68-72,012.96

Finding the Fourth Proportional to 177,185.78, 265,778.68 and 72,012.96

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Solution

The fourth proportional to 177,185.78, 265,778.68 and 72,012.96 is: 108,019.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,185.78 : 265,778.68 = 72,012.96 : x
  2. Step 2: Convert to fraction form
    177,185.78/265,778.68 = 72,012.96/x
  3. Step 3: Cross multiply
    177,185.78x = 265,778.68 × 72,012.96
  4. Step 4: Simplify right side
    177,185.78x = 19,139,509,451.69
  5. Step 5: Solve for x
    x = 19,139,509,451.69/177,185.78
  6. Step 6: Final answer
    x = 108,019.44

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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.