Home / 84,180.87-116,145.23-51,904.53

Finding the Fourth Proportional to 84,180.87, 116,145.23 and 51,904.53

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Solution

The fourth proportional to 84,180.87, 116,145.23 and 51,904.53 is: 71,613.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,180.87 : 116,145.23 = 51,904.53 : x
  2. Step 2: Convert to fraction form
    84,180.87/116,145.23 = 51,904.53/x
  3. Step 3: Cross multiply
    84,180.87x = 116,145.23 × 51,904.53
  4. Step 4: Simplify right side
    84,180.87x = 6,028,463,315.37
  5. Step 5: Solve for x
    x = 6,028,463,315.37/84,180.87
  6. Step 6: Final answer
    x = 71,613.22

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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.