Home / 87,917.40-131,798.34-41,157.72

Finding the Fourth Proportional to 87,917.40, 131,798.34 and 41,157.72

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Solution

The fourth proportional to 87,917.40, 131,798.34 and 41,157.72 is: 61,700.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,917.40 : 131,798.34 = 41,157.72 : x
  2. Step 2: Convert to fraction form
    87,917.40/131,798.34 = 41,157.72/x
  3. Step 3: Cross multiply
    87,917.40x = 131,798.34 × 41,157.72
  4. Step 4: Simplify right side
    87,917.40x = 5,424,519,174.18
  5. Step 5: Solve for x
    x = 5,424,519,174.18/87,917.40
  6. Step 6: Final answer
    x = 61,700.18

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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.