Home / 213,479.49-320,330.00-95,123.30

Finding the Fourth Proportional to 213,479.49, 320,330.00 and 95,123.30

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Solution

The fourth proportional to 213,479.49, 320,330.00 and 95,123.30 is: 142,734.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,479.49 : 320,330.00 = 95,123.30 : x
  2. Step 2: Convert to fraction form
    213,479.49/320,330.00 = 95,123.30/x
  3. Step 3: Cross multiply
    213,479.49x = 320,330.00 × 95,123.30
  4. Step 4: Simplify right side
    213,479.49x = 30,470,847,727.63
  5. Step 5: Solve for x
    x = 30,470,847,727.63/213,479.49
  6. Step 6: Final answer
    x = 142,734.31

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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.