Home / 95,386.75-131,669.06-81,903.85

Finding the Fourth Proportional to 95,386.75, 131,669.06 and 81,903.85

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Solution

The fourth proportional to 95,386.75, 131,669.06 and 81,903.85 is: 113,057.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,386.75 : 131,669.06 = 81,903.85 : x
  2. Step 2: Convert to fraction form
    95,386.75/131,669.06 = 81,903.85/x
  3. Step 3: Cross multiply
    95,386.75x = 131,669.06 × 81,903.85
  4. Step 4: Simplify right side
    95,386.75x = 10,784,201,872.02
  5. Step 5: Solve for x
    x = 10,784,201,872.02/95,386.75
  6. Step 6: Final answer
    x = 113,057.66

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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.