Home / 168,842.46-253,302.09-89,915.10

Finding the Fourth Proportional to 168,842.46, 253,302.09 and 89,915.10

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Solution

The fourth proportional to 168,842.46, 253,302.09 and 89,915.10 is: 134,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,842.46 : 253,302.09 = 89,915.10 : x
  2. Step 2: Convert to fraction form
    168,842.46/253,302.09 = 89,915.10/x
  3. Step 3: Cross multiply
    168,842.46x = 253,302.09 × 89,915.10
  4. Step 4: Simplify right side
    168,842.46x = 22,775,682,752.56
  5. Step 5: Solve for x
    x = 22,775,682,752.56/168,842.46
  6. Step 6: Final answer
    x = 134,893.10

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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.