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Finding the Fourth Proportional to 168,888.33, 232,797.92 and 133,021.53

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Solution

The fourth proportional to 168,888.33, 232,797.92 and 133,021.53 is: 183,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,888.33 : 232,797.92 = 133,021.53 : x
  2. Step 2: Convert to fraction form
    168,888.33/232,797.92 = 133,021.53/x
  3. Step 3: Cross multiply
    168,888.33x = 232,797.92 × 133,021.53
  4. Step 4: Simplify right side
    168,888.33x = 30,967,134,834.11
  5. Step 5: Solve for x
    x = 30,967,134,834.11/168,888.33
  6. Step 6: Final answer
    x = 183,358.64

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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.