Home / 213,054.59-319,558.30-76,272.26

Finding the Fourth Proportional to 213,054.59, 319,558.30 and 76,272.26

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Solution

The fourth proportional to 213,054.59, 319,558.30 and 76,272.26 is: 114,399.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,054.59 : 319,558.30 = 76,272.26 : x
  2. Step 2: Convert to fraction form
    213,054.59/319,558.30 = 76,272.26/x
  3. Step 3: Cross multiply
    213,054.59x = 319,558.30 × 76,272.26
  4. Step 4: Simplify right side
    213,054.59x = 24,373,431,954.29
  5. Step 5: Solve for x
    x = 24,373,431,954.29/213,054.59
  6. Step 6: Final answer
    x = 114,399.94

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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.