Home / 131,549.45-197,334.60-36,780.25

Finding the Fourth Proportional to 131,549.45, 197,334.60 and 36,780.25

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Solution

The fourth proportional to 131,549.45, 197,334.60 and 36,780.25 is: 55,173.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,549.45 : 197,334.60 = 36,780.25 : x
  2. Step 2: Convert to fraction form
    131,549.45/197,334.60 = 36,780.25/x
  3. Step 3: Cross multiply
    131,549.45x = 197,334.60 × 36,780.25
  4. Step 4: Simplify right side
    131,549.45x = 7,258,016,525.73
  5. Step 5: Solve for x
    x = 7,258,016,525.73/131,549.45
  6. Step 6: Final answer
    x = 55,173.29

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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.