Home / 168,869.09-233,001.20-100,872.76

Finding the Fourth Proportional to 168,869.09, 233,001.20 and 100,872.76

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Solution

The fourth proportional to 168,869.09, 233,001.20 and 100,872.76 is: 139,181.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,869.09 : 233,001.20 = 100,872.76 : x
  2. Step 2: Convert to fraction form
    168,869.09/233,001.20 = 100,872.76/x
  3. Step 3: Cross multiply
    168,869.09x = 233,001.20 × 100,872.76
  4. Step 4: Simplify right side
    168,869.09x = 23,503,472,541.63
  5. Step 5: Solve for x
    x = 23,503,472,541.63/168,869.09
  6. Step 6: Final answer
    x = 139,181.61

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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.