Home / 87,263.82-130,910.28-31,136.28

Finding the Fourth Proportional to 87,263.82, 130,910.28 and 31,136.28

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Solution

The fourth proportional to 87,263.82, 130,910.28 and 31,136.28 is: 46,709.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,263.82 : 130,910.28 = 31,136.28 : x
  2. Step 2: Convert to fraction form
    87,263.82/130,910.28 = 31,136.28/x
  3. Step 3: Cross multiply
    87,263.82x = 130,910.28 × 31,136.28
  4. Step 4: Simplify right side
    87,263.82x = 4,076,059,132.96
  5. Step 5: Solve for x
    x = 4,076,059,132.96/87,263.82
  6. Step 6: Final answer
    x = 46,709.61

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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.