Home / 126,837.51-190,258.13-60,284.43

Finding the Fourth Proportional to 126,837.51, 190,258.13 and 60,284.43

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Solution

The fourth proportional to 126,837.51, 190,258.13 and 60,284.43 is: 90,427.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,837.51 : 190,258.13 = 60,284.43 : x
  2. Step 2: Convert to fraction form
    126,837.51/190,258.13 = 60,284.43/x
  3. Step 3: Cross multiply
    126,837.51x = 190,258.13 × 60,284.43
  4. Step 4: Simplify right side
    126,837.51x = 11,469,602,618.49
  5. Step 5: Solve for x
    x = 11,469,602,618.49/126,837.51
  6. Step 6: Final answer
    x = 90,427.53

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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.