Home / 213,125.57-319,740.97-63,365.21

Finding the Fourth Proportional to 213,125.57, 319,740.97 and 63,365.21

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Solution

The fourth proportional to 213,125.57, 319,740.97 and 63,365.21 is: 95,063.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,125.57 : 319,740.97 = 63,365.21 : x
  2. Step 2: Convert to fraction form
    213,125.57/319,740.97 = 63,365.21/x
  3. Step 3: Cross multiply
    213,125.57x = 319,740.97 × 63,365.21
  4. Step 4: Simplify right side
    213,125.57x = 20,260,453,709.65
  5. Step 5: Solve for x
    x = 20,260,453,709.65/213,125.57
  6. Step 6: Final answer
    x = 95,063.46

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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.