Home / 168,428.20-252,646.35-50,103.40

Finding the Fourth Proportional to 168,428.20, 252,646.35 and 50,103.40

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Solution

The fourth proportional to 168,428.20, 252,646.35 and 50,103.40 is: 75,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,428.20 : 252,646.35 = 50,103.40 : x
  2. Step 2: Convert to fraction form
    168,428.20/252,646.35 = 50,103.40/x
  3. Step 3: Cross multiply
    168,428.20x = 252,646.35 × 50,103.40
  4. Step 4: Simplify right side
    168,428.20x = 12,658,441,132.59
  5. Step 5: Solve for x
    x = 12,658,441,132.59/168,428.20
  6. Step 6: Final answer
    x = 75,156.30

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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.