Home / 168,125.64-231,894.66-100,089.89

Finding the Fourth Proportional to 168,125.64, 231,894.66 and 100,089.89

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Solution

The fourth proportional to 168,125.64, 231,894.66 and 100,089.89 is: 138,053.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,125.64 : 231,894.66 = 100,089.89 : x
  2. Step 2: Convert to fraction form
    168,125.64/231,894.66 = 100,089.89/x
  3. Step 3: Cross multiply
    168,125.64x = 231,894.66 × 100,089.89
  4. Step 4: Simplify right side
    168,125.64x = 23,210,311,010.99
  5. Step 5: Solve for x
    x = 23,210,311,010.99/168,125.64
  6. Step 6: Final answer
    x = 138,053.37

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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.