Home / 254,126.67-380,942.14-120,971.17

Finding the Fourth Proportional to 254,126.67, 380,942.14 and 120,971.17

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Solution

The fourth proportional to 254,126.67, 380,942.14 and 120,971.17 is: 181,338.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,126.67 : 380,942.14 = 120,971.17 : x
  2. Step 2: Convert to fraction form
    254,126.67/380,942.14 = 120,971.17/x
  3. Step 3: Cross multiply
    254,126.67x = 380,942.14 × 120,971.17
  4. Step 4: Simplify right side
    254,126.67x = 46,083,016,778.67
  5. Step 5: Solve for x
    x = 46,083,016,778.67/254,126.67
  6. Step 6: Final answer
    x = 181,338.77

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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.