Home / 87,950.58-131,938.20-28,790.94

Finding the Fourth Proportional to 87,950.58, 131,938.20 and 28,790.94

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Solution

The fourth proportional to 87,950.58, 131,938.20 and 28,790.94 is: 43,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,950.58 : 131,938.20 = 28,790.94 : x
  2. Step 2: Convert to fraction form
    87,950.58/131,938.20 = 28,790.94/x
  3. Step 3: Cross multiply
    87,950.58x = 131,938.20 × 28,790.94
  4. Step 4: Simplify right side
    87,950.58x = 3,798,624,799.91
  5. Step 5: Solve for x
    x = 3,798,624,799.91/87,950.58
  6. Step 6: Final answer
    x = 43,190.45

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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.