Home / 154,313.44-212,891.70-96,919

Finding the Fourth Proportional to 154,313.44, 212,891.70 and 96,919

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Solution

The fourth proportional to 154,313.44, 212,891.70 and 96,919 is: 133,710.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,313.44 : 212,891.70 = 96,919 : x
  2. Step 2: Convert to fraction form
    154,313.44/212,891.70 = 96,919/x
  3. Step 3: Cross multiply
    154,313.44x = 212,891.70 × 96,919
  4. Step 4: Simplify right side
    154,313.44x = 20,633,250,672.30
  5. Step 5: Solve for x
    x = 20,633,250,672.30/154,313.44
  6. Step 6: Final answer
    x = 133,710.00

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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.