Home / 126,829.19-190,272.93-38,084.37

Finding the Fourth Proportional to 126,829.19, 190,272.93 and 38,084.37

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Solution

The fourth proportional to 126,829.19, 190,272.93 and 38,084.37 is: 57,135.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,829.19 : 190,272.93 = 38,084.37 : x
  2. Step 2: Convert to fraction form
    126,829.19/190,272.93 = 38,084.37/x
  3. Step 3: Cross multiply
    126,829.19x = 190,272.93 × 38,084.37
  4. Step 4: Simplify right side
    126,829.19x = 7,246,424,809.92
  5. Step 5: Solve for x
    x = 7,246,424,809.92/126,829.19
  6. Step 6: Final answer
    x = 57,135.31

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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.