Home / 136,632.78-204,955.31-41,856.05

Finding the Fourth Proportional to 136,632.78, 204,955.31 and 41,856.05

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Solution

The fourth proportional to 136,632.78, 204,955.31 and 41,856.05 is: 62,785.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,632.78 : 204,955.31 = 41,856.05 : x
  2. Step 2: Convert to fraction form
    136,632.78/204,955.31 = 41,856.05/x
  3. Step 3: Cross multiply
    136,632.78x = 204,955.31 × 41,856.05
  4. Step 4: Simplify right side
    136,632.78x = 8,578,618,469.07
  5. Step 5: Solve for x
    x = 8,578,618,469.07/136,632.78
  6. Step 6: Final answer
    x = 62,785.95

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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.