Home / 205,012.04-307,507.11-55,249.92

Finding the Fourth Proportional to 205,012.04, 307,507.11 and 55,249.92

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Solution

The fourth proportional to 205,012.04, 307,507.11 and 55,249.92 is: 82,871.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,012.04 : 307,507.11 = 55,249.92 : x
  2. Step 2: Convert to fraction form
    205,012.04/307,507.11 = 55,249.92/x
  3. Step 3: Cross multiply
    205,012.04x = 307,507.11 × 55,249.92
  4. Step 4: Simplify right side
    205,012.04x = 16,989,743,226.93
  5. Step 5: Solve for x
    x = 16,989,743,226.93/205,012.04
  6. Step 6: Final answer
    x = 82,871.93

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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.