Home / 87,951.04-131,951.16-28,828.21

Finding the Fourth Proportional to 87,951.04, 131,951.16 and 28,828.21

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Solution

The fourth proportional to 87,951.04, 131,951.16 and 28,828.21 is: 43,250.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,951.04 : 131,951.16 = 28,828.21 : x
  2. Step 2: Convert to fraction form
    87,951.04/131,951.16 = 28,828.21/x
  3. Step 3: Cross multiply
    87,951.04x = 131,951.16 × 28,828.21
  4. Step 4: Simplify right side
    87,951.04x = 3,803,915,750.22
  5. Step 5: Solve for x
    x = 3,803,915,750.22/87,951.04
  6. Step 6: Final answer
    x = 43,250.38

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1.5x scale

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.