Home / 213,119.51-319,731.91-63,359.15

Finding the Fourth Proportional to 213,119.51, 319,731.91 and 63,359.15

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Solution

The fourth proportional to 213,119.51, 319,731.91 and 63,359.15 is: 95,054.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,119.51 : 319,731.91 = 63,359.15 : x
  2. Step 2: Convert to fraction form
    213,119.51/319,731.91 = 63,359.15/x
  3. Step 3: Cross multiply
    213,119.51x = 319,731.91 × 63,359.15
  4. Step 4: Simplify right side
    213,119.51x = 20,257,940,288.42
  5. Step 5: Solve for x
    x = 20,257,940,288.42/213,119.51
  6. Step 6: Final answer
    x = 95,054.37

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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.