Home / 126,911.67-190,362.53-52,013.79

Finding the Fourth Proportional to 126,911.67, 190,362.53 and 52,013.79

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Solution

The fourth proportional to 126,911.67, 190,362.53 and 52,013.79 is: 78,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,911.67 : 190,362.53 = 52,013.79 : x
  2. Step 2: Convert to fraction form
    126,911.67/190,362.53 = 52,013.79/x
  3. Step 3: Cross multiply
    126,911.67x = 190,362.53 × 52,013.79
  4. Step 4: Simplify right side
    126,911.67x = 9,901,476,399.22
  5. Step 5: Solve for x
    x = 9,901,476,399.22/126,911.67
  6. Step 6: Final answer
    x = 78,018.64

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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.