Home / 177,740.84-266,611.22-71,172.76

Finding the Fourth Proportional to 177,740.84, 266,611.22 and 71,172.76

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Solution

The fourth proportional to 177,740.84, 266,611.22 and 71,172.76 is: 106,759.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,740.84 : 266,611.22 = 71,172.76 : x
  2. Step 2: Convert to fraction form
    177,740.84/266,611.22 = 71,172.76/x
  3. Step 3: Cross multiply
    177,740.84x = 266,611.22 × 71,172.76
  4. Step 4: Simplify right side
    177,740.84x = 18,975,456,374.37
  5. Step 5: Solve for x
    x = 18,975,456,374.37/177,740.84
  6. Step 6: Final answer
    x = 106,759.12

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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.