Home / 93,511.26-140,042.93-68,142.77

Finding the Fourth Proportional to 93,511.26, 140,042.93 and 68,142.77

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Solution

The fourth proportional to 93,511.26, 140,042.93 and 68,142.77 is: 102,050.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,511.26 : 140,042.93 = 68,142.77 : x
  2. Step 2: Convert to fraction form
    93,511.26/140,042.93 = 68,142.77/x
  3. Step 3: Cross multiply
    93,511.26x = 140,042.93 × 68,142.77
  4. Step 4: Simplify right side
    93,511.26x = 9,542,912,653.35
  5. Step 5: Solve for x
    x = 9,542,912,653.35/93,511.26
  6. Step 6: Final answer
    x = 102,050.95

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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.