Home / 197,314.25-271,921.66-142,774.11

Finding the Fourth Proportional to 197,314.25, 271,921.66 and 142,774.11

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Solution

The fourth proportional to 197,314.25, 271,921.66 and 142,774.11 is: 196,759.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,314.25 : 271,921.66 = 142,774.11 : x
  2. Step 2: Convert to fraction form
    197,314.25/271,921.66 = 142,774.11/x
  3. Step 3: Cross multiply
    197,314.25x = 271,921.66 × 142,774.11
  4. Step 4: Simplify right side
    197,314.25x = 38,823,372,639.29
  5. Step 5: Solve for x
    x = 38,823,372,639.29/197,314.25
  6. Step 6: Final answer
    x = 196,759.10

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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.