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Finding the Fourth Proportional to 119,517, 179,283.71 and 39,554.82

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Solution

The fourth proportional to 119,517, 179,283.71 and 39,554.82 is: 59,334.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,517 : 179,283.71 = 39,554.82 : x
  2. Step 2: Convert to fraction form
    119,517/179,283.71 = 39,554.82/x
  3. Step 3: Cross multiply
    119,517x = 179,283.71 × 39,554.82
  4. Step 4: Simplify right side
    119,517x = 7,091,534,680.21
  5. Step 5: Solve for x
    x = 7,091,534,680.21/119,517
  6. Step 6: Final answer
    x = 59,334.95

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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.