Home / 76,195.23-114,237.49-31,834.67

Finding the Fourth Proportional to 76,195.23, 114,237.49 and 31,834.67

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Solution

The fourth proportional to 76,195.23, 114,237.49 and 31,834.67 is: 47,728.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,195.23 : 114,237.49 = 31,834.67 : x
  2. Step 2: Convert to fraction form
    76,195.23/114,237.49 = 31,834.67/x
  3. Step 3: Cross multiply
    76,195.23x = 114,237.49 × 31,834.67
  4. Step 4: Simplify right side
    76,195.23x = 3,636,712,847.28
  5. Step 5: Solve for x
    x = 3,636,712,847.28/76,195.23
  6. Step 6: Final answer
    x = 47,728.88

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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.