Home / 131,520.56-197,310.04-61,361.60

Finding the Fourth Proportional to 131,520.56, 197,310.04 and 61,361.60

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Solution

The fourth proportional to 131,520.56, 197,310.04 and 61,361.60 is: 92,056.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,520.56 : 197,310.04 = 61,361.60 : x
  2. Step 2: Convert to fraction form
    131,520.56/197,310.04 = 61,361.60/x
  3. Step 3: Cross multiply
    131,520.56x = 197,310.04 × 61,361.60
  4. Step 4: Simplify right side
    131,520.56x = 12,107,258,610.51
  5. Step 5: Solve for x
    x = 12,107,258,610.51/131,520.56
  6. Step 6: Final answer
    x = 92,056.02

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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.