Home / 168,736.10-253,140.60-50,419.40

Finding the Fourth Proportional to 168,736.10, 253,140.60 and 50,419.40

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Solution

The fourth proportional to 168,736.10, 253,140.60 and 50,419.40 is: 75,639.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,736.10 : 253,140.60 = 50,419.40 : x
  2. Step 2: Convert to fraction form
    168,736.10/253,140.60 = 50,419.40/x
  3. Step 3: Cross multiply
    168,736.10x = 253,140.60 × 50,419.40
  4. Step 4: Simplify right side
    168,736.10x = 12,763,197,167.64
  5. Step 5: Solve for x
    x = 12,763,197,167.64/168,736.10
  6. Step 6: Final answer
    x = 75,639.99

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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.