Home / 131,970.78-197,949.69-43,266.06

Finding the Fourth Proportional to 131,970.78, 197,949.69 and 43,266.06

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Solution

The fourth proportional to 131,970.78, 197,949.69 and 43,266.06 is: 64,896.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,970.78 : 197,949.69 = 43,266.06 : x
  2. Step 2: Convert to fraction form
    131,970.78/197,949.69 = 43,266.06/x
  3. Step 3: Cross multiply
    131,970.78x = 197,949.69 × 43,266.06
  4. Step 4: Simplify right side
    131,970.78x = 8,564,503,164.52
  5. Step 5: Solve for x
    x = 8,564,503,164.52/131,970.78
  6. Step 6: Final answer
    x = 64,896.97

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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.