Home / 126,838.36-190,208.58-38,071

Finding the Fourth Proportional to 126,838.36, 190,208.58 and 38,071

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Solution

The fourth proportional to 126,838.36, 190,208.58 and 38,071 is: 57,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,838.36 : 190,208.58 = 38,071 : x
  2. Step 2: Convert to fraction form
    126,838.36/190,208.58 = 38,071/x
  3. Step 3: Cross multiply
    126,838.36x = 190,208.58 × 38,071
  4. Step 4: Simplify right side
    126,838.36x = 7,241,430,849.18
  5. Step 5: Solve for x
    x = 7,241,430,849.18/126,838.36
  6. Step 6: Final answer
    x = 57,091.80

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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.