Home / 131,740.61-197,469.39-56,896.01

Finding the Fourth Proportional to 131,740.61, 197,469.39 and 56,896.01

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Solution

The fourth proportional to 131,740.61, 197,469.39 and 56,896.01 is: 85,282.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,740.61 : 197,469.39 = 56,896.01 : x
  2. Step 2: Convert to fraction form
    131,740.61/197,469.39 = 56,896.01/x
  3. Step 3: Cross multiply
    131,740.61x = 197,469.39 × 56,896.01
  4. Step 4: Simplify right side
    131,740.61x = 11,235,220,076.97
  5. Step 5: Solve for x
    x = 11,235,220,076.97/131,740.61
  6. Step 6: Final answer
    x = 85,282.89

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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.