Home / 87,941.86-131,910.95-21,382.34

Finding the Fourth Proportional to 87,941.86, 131,910.95 and 21,382.34

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Solution

The fourth proportional to 87,941.86, 131,910.95 and 21,382.34 is: 32,073.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,941.86 : 131,910.95 = 21,382.34 : x
  2. Step 2: Convert to fraction form
    87,941.86/131,910.95 = 21,382.34/x
  3. Step 3: Cross multiply
    87,941.86x = 131,910.95 × 21,382.34
  4. Step 4: Simplify right side
    87,941.86x = 2,820,564,176.52
  5. Step 5: Solve for x
    x = 2,820,564,176.52/87,941.86
  6. Step 6: Final answer
    x = 32,073.06

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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.