Home / 168,428.87-252,588.58-56,078.83

Finding the Fourth Proportional to 168,428.87, 252,588.58 and 56,078.83

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Solution

The fourth proportional to 168,428.87, 252,588.58 and 56,078.83 is: 84,100.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,428.87 : 252,588.58 = 56,078.83 : x
  2. Step 2: Convert to fraction form
    168,428.87/252,588.58 = 56,078.83/x
  3. Step 3: Cross multiply
    168,428.87x = 252,588.58 × 56,078.83
  4. Step 4: Simplify right side
    168,428.87x = 14,164,872,213.30
  5. Step 5: Solve for x
    x = 14,164,872,213.30/168,428.87
  6. Step 6: Final answer
    x = 84,100.03

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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.