Home / 175,943.04-263,702.97-81,042.72

Finding the Fourth Proportional to 175,943.04, 263,702.97 and 81,042.72

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Solution

The fourth proportional to 175,943.04, 263,702.97 and 81,042.72 is: 121,466.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,943.04 : 263,702.97 = 81,042.72 : x
  2. Step 2: Convert to fraction form
    175,943.04/263,702.97 = 81,042.72/x
  3. Step 3: Cross multiply
    175,943.04x = 263,702.97 × 81,042.72
  4. Step 4: Simplify right side
    175,943.04x = 21,371,205,960.88
  5. Step 5: Solve for x
    x = 21,371,205,960.88/175,943.04
  6. Step 6: Final answer
    x = 121,466.62

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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.