Home / 126,903.36-190,379.07-51,007.82

Finding the Fourth Proportional to 126,903.36, 190,379.07 and 51,007.82

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Solution

The fourth proportional to 126,903.36, 190,379.07 and 51,007.82 is: 76,521.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,903.36 : 190,379.07 = 51,007.82 : x
  2. Step 2: Convert to fraction form
    126,903.36/190,379.07 = 51,007.82/x
  3. Step 3: Cross multiply
    126,903.36x = 190,379.07 × 51,007.82
  4. Step 4: Simplify right side
    126,903.36x = 9,710,820,382.43
  5. Step 5: Solve for x
    x = 9,710,820,382.43/126,903.36
  6. Step 6: Final answer
    x = 76,521.38

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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.