Home / 95,421.15-143,154.21-28,861.83

Finding the Fourth Proportional to 95,421.15, 143,154.21 and 28,861.83

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Solution

The fourth proportional to 95,421.15, 143,154.21 and 28,861.83 is: 43,299.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,421.15 : 143,154.21 = 28,861.83 : x
  2. Step 2: Convert to fraction form
    95,421.15/143,154.21 = 28,861.83/x
  3. Step 3: Cross multiply
    95,421.15x = 143,154.21 × 28,861.83
  4. Step 4: Simplify right side
    95,421.15x = 4,131,692,328.50
  5. Step 5: Solve for x
    x = 4,131,692,328.50/95,421.15
  6. Step 6: Final answer
    x = 43,299.54

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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.