Home / 247,916.44-342,111.54-140,487.80

Finding the Fourth Proportional to 247,916.44, 342,111.54 and 140,487.80

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Solution

The fourth proportional to 247,916.44, 342,111.54 and 140,487.80 is: 193,865.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,916.44 : 342,111.54 = 140,487.80 : x
  2. Step 2: Convert to fraction form
    247,916.44/342,111.54 = 140,487.80/x
  3. Step 3: Cross multiply
    247,916.44x = 342,111.54 × 140,487.80
  4. Step 4: Simplify right side
    247,916.44x = 48,062,497,609.21
  5. Step 5: Solve for x
    x = 48,062,497,609.21/247,916.44
  6. Step 6: Final answer
    x = 193,865.71

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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.