Home / 84,223.80-126,249.30-49,145.40

Finding the Fourth Proportional to 84,223.80, 126,249.30 and 49,145.40

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Solution

The fourth proportional to 84,223.80, 126,249.30 and 49,145.40 is: 73,667.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,223.80 : 126,249.30 = 49,145.40 : x
  2. Step 2: Convert to fraction form
    84,223.80/126,249.30 = 49,145.40/x
  3. Step 3: Cross multiply
    84,223.80x = 126,249.30 × 49,145.40
  4. Step 4: Simplify right side
    84,223.80x = 6,204,572,348.22
  5. Step 5: Solve for x
    x = 6,204,572,348.22/84,223.80
  6. Step 6: Final answer
    x = 73,667.68

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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.