Home / 80,849.08-121,290.42-34,102.36

Finding the Fourth Proportional to 80,849.08, 121,290.42 and 34,102.36

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Solution

The fourth proportional to 80,849.08, 121,290.42 and 34,102.36 is: 51,160.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,849.08 : 121,290.42 = 34,102.36 : x
  2. Step 2: Convert to fraction form
    80,849.08/121,290.42 = 34,102.36/x
  3. Step 3: Cross multiply
    80,849.08x = 121,290.42 × 34,102.36
  4. Step 4: Simplify right side
    80,849.08x = 4,136,289,567.39
  5. Step 5: Solve for x
    x = 4,136,289,567.39/80,849.08
  6. Step 6: Final answer
    x = 51,160.63

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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.