Home / 126,983.72-190,476.63-103,263.68

Finding the Fourth Proportional to 126,983.72, 190,476.63 and 103,263.68

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Solution

The fourth proportional to 126,983.72, 190,476.63 and 103,263.68 is: 154,896.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,983.72 : 190,476.63 = 103,263.68 : x
  2. Step 2: Convert to fraction form
    126,983.72/190,476.63 = 103,263.68/x
  3. Step 3: Cross multiply
    126,983.72x = 190,476.63 × 103,263.68
  4. Step 4: Simplify right side
    126,983.72x = 19,669,318,243.99
  5. Step 5: Solve for x
    x = 19,669,318,243.99/126,983.72
  6. Step 6: Final answer
    x = 154,896.37

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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.