Home / 213,788.88-294,995.40-123,148.56

Finding the Fourth Proportional to 213,788.88, 294,995.40 and 123,148.56

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Solution

The fourth proportional to 213,788.88, 294,995.40 and 123,148.56 is: 169,925.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,788.88 : 294,995.40 = 123,148.56 : x
  2. Step 2: Convert to fraction form
    213,788.88/294,995.40 = 123,148.56/x
  3. Step 3: Cross multiply
    213,788.88x = 294,995.40 × 123,148.56
  4. Step 4: Simplify right side
    213,788.88x = 36,328,258,716.62
  5. Step 5: Solve for x
    x = 36,328,258,716.62/213,788.88
  6. Step 6: Final answer
    x = 169,925.86

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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.