Home / 113,145.38-169,739.92-43,019.24

Finding the Fourth Proportional to 113,145.38, 169,739.92 and 43,019.24

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Solution

The fourth proportional to 113,145.38, 169,739.92 and 43,019.24 is: 64,537.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,145.38 : 169,739.92 = 43,019.24 : x
  2. Step 2: Convert to fraction form
    113,145.38/169,739.92 = 43,019.24/x
  3. Step 3: Cross multiply
    113,145.38x = 169,739.92 × 43,019.24
  4. Step 4: Simplify right side
    113,145.38x = 7,302,082,356.06
  5. Step 5: Solve for x
    x = 7,302,082,356.06/113,145.38
  6. Step 6: Final answer
    x = 64,537.17

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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.