Home / 95,770.20-143,315.10-83,425.80

Finding the Fourth Proportional to 95,770.20, 143,315.10 and 83,425.80

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Solution

The fourth proportional to 95,770.20, 143,315.10 and 83,425.80 is: 124,842.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,770.20 : 143,315.10 = 83,425.80 : x
  2. Step 2: Convert to fraction form
    95,770.20/143,315.10 = 83,425.80/x
  3. Step 3: Cross multiply
    95,770.20x = 143,315.10 × 83,425.80
  4. Step 4: Simplify right side
    95,770.20x = 11,956,176,869.58
  5. Step 5: Solve for x
    x = 11,956,176,869.58/95,770.20
  6. Step 6: Final answer
    x = 124,842.35

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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.