Home / 195,734.46-270,050.40-115,181.78

Finding the Fourth Proportional to 195,734.46, 270,050.40 and 115,181.78

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Solution

The fourth proportional to 195,734.46, 270,050.40 and 115,181.78 is: 158,913.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,734.46 : 270,050.40 = 115,181.78 : x
  2. Step 2: Convert to fraction form
    195,734.46/270,050.40 = 115,181.78/x
  3. Step 3: Cross multiply
    195,734.46x = 270,050.40 × 115,181.78
  4. Step 4: Simplify right side
    195,734.46x = 31,104,884,411.46
  5. Step 5: Solve for x
    x = 31,104,884,411.46/195,734.46
  6. Step 6: Final answer
    x = 158,913.69

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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.