Home / 195,916.96-270,366.48-115,348

Finding the Fourth Proportional to 195,916.96, 270,366.48 and 115,348

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Solution

The fourth proportional to 195,916.96, 270,366.48 and 115,348 is: 159,180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,916.96 : 270,366.48 = 115,348 : x
  2. Step 2: Convert to fraction form
    195,916.96/270,366.48 = 115,348/x
  3. Step 3: Cross multiply
    195,916.96x = 270,366.48 × 115,348
  4. Step 4: Simplify right side
    195,916.96x = 31,186,232,735.04
  5. Step 5: Solve for x
    x = 31,186,232,735.04/195,916.96
  6. Step 6: Final answer
    x = 159,180.87

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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.