Home / 126,136.51-174,069.73-68,775.35

Finding the Fourth Proportional to 126,136.51, 174,069.73 and 68,775.35

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Solution

The fourth proportional to 126,136.51, 174,069.73 and 68,775.35 is: 94,910.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,136.51 : 174,069.73 = 68,775.35 : x
  2. Step 2: Convert to fraction form
    126,136.51/174,069.73 = 68,775.35/x
  3. Step 3: Cross multiply
    126,136.51x = 174,069.73 × 68,775.35
  4. Step 4: Simplify right side
    126,136.51x = 11,971,706,014.21
  5. Step 5: Solve for x
    x = 11,971,706,014.21/126,136.51
  6. Step 6: Final answer
    x = 94,910.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.