Home / 263,042.61-394,342.47-105,184.95

Finding the Fourth Proportional to 263,042.61, 394,342.47 and 105,184.95

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Solution

The fourth proportional to 263,042.61, 394,342.47 and 105,184.95 is: 157,688.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,042.61 : 394,342.47 = 105,184.95 : x
  2. Step 2: Convert to fraction form
    263,042.61/394,342.47 = 105,184.95/x
  3. Step 3: Cross multiply
    263,042.61x = 394,342.47 × 105,184.95
  4. Step 4: Simplify right side
    263,042.61x = 41,478,892,989.83
  5. Step 5: Solve for x
    x = 41,478,892,989.83/263,042.61
  6. Step 6: Final answer
    x = 157,688.87

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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.