Home / 142,734.65-196,994.79-82,293.47

Finding the Fourth Proportional to 142,734.65, 196,994.79 and 82,293.47

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Solution

The fourth proportional to 142,734.65, 196,994.79 and 82,293.47 is: 113,577.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,734.65 : 196,994.79 = 82,293.47 : x
  2. Step 2: Convert to fraction form
    142,734.65/196,994.79 = 82,293.47/x
  3. Step 3: Cross multiply
    142,734.65x = 196,994.79 × 82,293.47
  4. Step 4: Simplify right side
    142,734.65x = 16,211,383,856.05
  5. Step 5: Solve for x
    x = 16,211,383,856.05/142,734.65
  6. Step 6: Final answer
    x = 113,577.08

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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.