Home / 129,557.51-194,362.38-54,677.73

Finding the Fourth Proportional to 129,557.51, 194,362.38 and 54,677.73

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Solution

The fourth proportional to 129,557.51, 194,362.38 and 54,677.73 is: 82,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,557.51 : 194,362.38 = 54,677.73 : x
  2. Step 2: Convert to fraction form
    129,557.51/194,362.38 = 54,677.73/x
  3. Step 3: Cross multiply
    129,557.51x = 194,362.38 × 54,677.73
  4. Step 4: Simplify right side
    129,557.51x = 10,627,293,462.41
  5. Step 5: Solve for x
    x = 10,627,293,462.41/129,557.51
  6. Step 6: Final answer
    x = 82,027.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.