Home / 126,136.59-174,069.86-68,775.44

Finding the Fourth Proportional to 126,136.59, 174,069.86 and 68,775.44

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Solution

The fourth proportional to 126,136.59, 174,069.86 and 68,775.44 is: 94,910.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,136.59 : 174,069.86 = 68,775.44 : x
  2. Step 2: Convert to fraction form
    126,136.59/174,069.86 = 68,775.44/x
  3. Step 3: Cross multiply
    126,136.59x = 174,069.86 × 68,775.44
  4. Step 4: Simplify right side
    126,136.59x = 11,971,731,303.54
  5. Step 5: Solve for x
    x = 11,971,731,303.54/126,136.59
  6. Step 6: Final answer
    x = 94,910.85

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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.