Home / 126,841.88-190,261.45-38,091.60

Finding the Fourth Proportional to 126,841.88, 190,261.45 and 38,091.60

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Solution

The fourth proportional to 126,841.88, 190,261.45 and 38,091.60 is: 57,136.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,841.88 : 190,261.45 = 38,091.60 : x
  2. Step 2: Convert to fraction form
    126,841.88/190,261.45 = 38,091.60/x
  3. Step 3: Cross multiply
    126,841.88x = 190,261.45 × 38,091.60
  4. Step 4: Simplify right side
    126,841.88x = 7,247,362,953.59
  5. Step 5: Solve for x
    x = 7,247,362,953.59/126,841.88
  6. Step 6: Final answer
    x = 57,136.99

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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.