Home / 177,655.67-245,163.92-105,084.63

Finding the Fourth Proportional to 177,655.67, 245,163.92 and 105,084.63

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Solution

The fourth proportional to 177,655.67, 245,163.92 and 105,084.63 is: 145,016.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,655.67 : 245,163.92 = 105,084.63 : x
  2. Step 2: Convert to fraction form
    177,655.67/245,163.92 = 105,084.63/x
  3. Step 3: Cross multiply
    177,655.67x = 245,163.92 × 105,084.63
  4. Step 4: Simplify right side
    177,655.67x = 25,762,959,997.65
  5. Step 5: Solve for x
    x = 25,762,959,997.65/177,655.67
  6. Step 6: Final answer
    x = 145,016.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.