Home / 127,684.22-191,519.03-48,806.42

Finding the Fourth Proportional to 127,684.22, 191,519.03 and 48,806.42

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Solution

The fourth proportional to 127,684.22, 191,519.03 and 48,806.42 is: 73,206.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,684.22 : 191,519.03 = 48,806.42 : x
  2. Step 2: Convert to fraction form
    127,684.22/191,519.03 = 48,806.42/x
  3. Step 3: Cross multiply
    127,684.22x = 191,519.03 × 48,806.42
  4. Step 4: Simplify right side
    127,684.22x = 9,347,357,380.59
  5. Step 5: Solve for x
    x = 9,347,357,380.59/127,684.22
  6. Step 6: Final answer
    x = 73,206.84

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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.