Home / 76,212.92-114,295.15-71,237.57

Finding the Fourth Proportional to 76,212.92, 114,295.15 and 71,237.57

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Solution

The fourth proportional to 76,212.92, 114,295.15 and 71,237.57 is: 106,833.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,212.92 : 114,295.15 = 71,237.57 : x
  2. Step 2: Convert to fraction form
    76,212.92/114,295.15 = 71,237.57/x
  3. Step 3: Cross multiply
    76,212.92x = 114,295.15 × 71,237.57
  4. Step 4: Simplify right side
    76,212.92x = 8,142,108,539.62
  5. Step 5: Solve for x
    x = 8,142,108,539.62/76,212.92
  6. Step 6: Final answer
    x = 106,833.70

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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.