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Finding the Fourth Proportional to 154,504.57, 213,185.49 and 94,034.71

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Solution

The fourth proportional to 154,504.57, 213,185.49 and 94,034.71 is: 129,749.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,504.57 : 213,185.49 = 94,034.71 : x
  2. Step 2: Convert to fraction form
    154,504.57/213,185.49 = 94,034.71/x
  3. Step 3: Cross multiply
    154,504.57x = 213,185.49 × 94,034.71
  4. Step 4: Simplify right side
    154,504.57x = 20,046,835,728.36
  5. Step 5: Solve for x
    x = 20,046,835,728.36/154,504.57
  6. Step 6: Final answer
    x = 129,749.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.