Home / 177,073.20-265,172.40-131,986.44

Finding the Fourth Proportional to 177,073.20, 265,172.40 and 131,986.44

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Solution

The fourth proportional to 177,073.20, 265,172.40 and 131,986.44 is: 197,653.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,073.20 : 265,172.40 = 131,986.44 : x
  2. Step 2: Convert to fraction form
    177,073.20/265,172.40 = 131,986.44/x
  3. Step 3: Cross multiply
    177,073.20x = 265,172.40 × 131,986.44
  4. Step 4: Simplify right side
    177,073.20x = 34,999,161,062.26
  5. Step 5: Solve for x
    x = 34,999,161,062.26/177,073.20
  6. Step 6: Final answer
    x = 197,653.63

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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.