Home / 109,391.41-164,114.79-30,505.65

Finding the Fourth Proportional to 109,391.41, 164,114.79 and 30,505.65

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Solution

The fourth proportional to 109,391.41, 164,114.79 and 30,505.65 is: 45,766.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,391.41 : 164,114.79 = 30,505.65 : x
  2. Step 2: Convert to fraction form
    109,391.41/164,114.79 = 30,505.65/x
  3. Step 3: Cross multiply
    109,391.41x = 164,114.79 × 30,505.65
  4. Step 4: Simplify right side
    109,391.41x = 5,006,427,370.46
  5. Step 5: Solve for x
    x = 5,006,427,370.46/109,391.41
  6. Step 6: Final answer
    x = 45,766.18

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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.