Home / 231,983.04-320,290.86-178,171.92

Finding the Fourth Proportional to 231,983.04, 320,290.86 and 178,171.92

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Solution

The fourth proportional to 231,983.04, 320,290.86 and 178,171.92 is: 245,995.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,983.04 : 320,290.86 = 178,171.92 : x
  2. Step 2: Convert to fraction form
    231,983.04/320,290.86 = 178,171.92/x
  3. Step 3: Cross multiply
    231,983.04x = 320,290.86 × 178,171.92
  4. Step 4: Simplify right side
    231,983.04x = 57,066,837,484.65
  5. Step 5: Solve for x
    x = 57,066,837,484.65/231,983.04
  6. Step 6: Final answer
    x = 245,995.73

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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.