Home / 131,542.37-181,524.04-83,170.34

Finding the Fourth Proportional to 131,542.37, 181,524.04 and 83,170.34

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Solution

The fourth proportional to 131,542.37, 181,524.04 and 83,170.34 is: 114,772.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,542.37 : 181,524.04 = 83,170.34 : x
  2. Step 2: Convert to fraction form
    131,542.37/181,524.04 = 83,170.34/x
  3. Step 3: Cross multiply
    131,542.37x = 181,524.04 × 83,170.34
  4. Step 4: Simplify right side
    131,542.37x = 15,097,416,124.97
  5. Step 5: Solve for x
    x = 15,097,416,124.97/131,542.37
  6. Step 6: Final answer
    x = 114,772.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.