Home / 81,176.67-121,777.14-25,012.08

Finding the Fourth Proportional to 81,176.67, 121,777.14 and 25,012.08

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Solution

The fourth proportional to 81,176.67, 121,777.14 and 25,012.08 is: 37,521.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,176.67 : 121,777.14 = 25,012.08 : x
  2. Step 2: Convert to fraction form
    81,176.67/121,777.14 = 25,012.08/x
  3. Step 3: Cross multiply
    81,176.67x = 121,777.14 × 25,012.08
  4. Step 4: Simplify right side
    81,176.67x = 3,045,899,567.85
  5. Step 5: Solve for x
    x = 3,045,899,567.85/81,176.67
  6. Step 6: Final answer
    x = 37,521.86

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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.