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Finding the Fourth Proportional to 180,038.41, 269,882.09 and 71,935.55

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Solution

The fourth proportional to 180,038.41, 269,882.09 and 71,935.55 is: 107,833.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,038.41 : 269,882.09 = 71,935.55 : x
  2. Step 2: Convert to fraction form
    180,038.41/269,882.09 = 71,935.55/x
  3. Step 3: Cross multiply
    180,038.41x = 269,882.09 × 71,935.55
  4. Step 4: Simplify right side
    180,038.41x = 19,414,115,409.73
  5. Step 5: Solve for x
    x = 19,414,115,409.73/180,038.41
  6. Step 6: Final answer
    x = 107,833.19

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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.