Home / 87,348.02-131,049.72-31,186.94

Finding the Fourth Proportional to 87,348.02, 131,049.72 and 31,186.94

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Solution

The fourth proportional to 87,348.02, 131,049.72 and 31,186.94 is: 46,790.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,348.02 : 131,049.72 = 31,186.94 : x
  2. Step 2: Convert to fraction form
    87,348.02/131,049.72 = 31,186.94/x
  3. Step 3: Cross multiply
    87,348.02x = 131,049.72 × 31,186.94
  4. Step 4: Simplify right side
    87,348.02x = 4,087,039,099.41
  5. Step 5: Solve for x
    x = 4,087,039,099.41/87,348.02
  6. Step 6: Final answer
    x = 46,790.29

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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.