Home / 126,936.69-190,407.73-42,699.39

Finding the Fourth Proportional to 126,936.69, 190,407.73 and 42,699.39

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Solution

The fourth proportional to 126,936.69, 190,407.73 and 42,699.39 is: 64,049.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,936.69 : 190,407.73 = 42,699.39 : x
  2. Step 2: Convert to fraction form
    126,936.69/190,407.73 = 42,699.39/x
  3. Step 3: Cross multiply
    126,936.69x = 190,407.73 × 42,699.39
  4. Step 4: Simplify right side
    126,936.69x = 8,130,293,922.28
  5. Step 5: Solve for x
    x = 8,130,293,922.28/126,936.69
  6. Step 6: Final answer
    x = 64,049.99

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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.