Home / 168,998.72-253,513.44-50,665.28

Finding the Fourth Proportional to 168,998.72, 253,513.44 and 50,665.28

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Solution

The fourth proportional to 168,998.72, 253,513.44 and 50,665.28 is: 76,002.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,998.72 : 253,513.44 = 50,665.28 : x
  2. Step 2: Convert to fraction form
    168,998.72/253,513.44 = 50,665.28/x
  3. Step 3: Cross multiply
    168,998.72x = 253,513.44 × 50,665.28
  4. Step 4: Simplify right side
    168,998.72x = 12,844,329,421.36
  5. Step 5: Solve for x
    x = 12,844,329,421.36/168,998.72
  6. Step 6: Final answer
    x = 76,002.52

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1.5x scale

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.