Home / 126,135.58-174,063.82-68,775.96

Finding the Fourth Proportional to 126,135.58, 174,063.82 and 68,775.96

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Solution

The fourth proportional to 126,135.58, 174,063.82 and 68,775.96 is: 94,909.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,135.58 : 174,063.82 = 68,775.96 : x
  2. Step 2: Convert to fraction form
    126,135.58/174,063.82 = 68,775.96/x
  3. Step 3: Cross multiply
    126,135.58x = 174,063.82 × 68,775.96
  4. Step 4: Simplify right side
    126,135.58x = 11,971,406,321.77
  5. Step 5: Solve for x
    x = 11,971,406,321.77/126,135.58
  6. Step 6: Final answer
    x = 94,909.04

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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.