Home / 115,288.56-172,933.65-36,409.14

Finding the Fourth Proportional to 115,288.56, 172,933.65 and 36,409.14

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Solution

The fourth proportional to 115,288.56, 172,933.65 and 36,409.14 is: 54,613.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,288.56 : 172,933.65 = 36,409.14 : x
  2. Step 2: Convert to fraction form
    115,288.56/172,933.65 = 36,409.14/x
  3. Step 3: Cross multiply
    115,288.56x = 172,933.65 × 36,409.14
  4. Step 4: Simplify right side
    115,288.56x = 6,296,365,473.56
  5. Step 5: Solve for x
    x = 6,296,365,473.56/115,288.56
  6. Step 6: Final answer
    x = 54,613.97

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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.