Home / 283,849.80-425,702.12-84,123.60

Finding the Fourth Proportional to 283,849.80, 425,702.12 and 84,123.60

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Solution

The fourth proportional to 283,849.80, 425,702.12 and 84,123.60 is: 126,163.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,849.80 : 425,702.12 = 84,123.60 : x
  2. Step 2: Convert to fraction form
    283,849.80/425,702.12 = 84,123.60/x
  3. Step 3: Cross multiply
    283,849.80x = 425,702.12 × 84,123.60
  4. Step 4: Simplify right side
    283,849.80x = 35,811,594,441.41
  5. Step 5: Solve for x
    x = 35,811,594,441.41/283,849.80
  6. Step 6: Final answer
    x = 126,163.89

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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.