Home / 129,631.15-194,430.32-50,800.73

Finding the Fourth Proportional to 129,631.15, 194,430.32 and 50,800.73

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Solution

The fourth proportional to 129,631.15, 194,430.32 and 50,800.73 is: 76,194.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,631.15 : 194,430.32 = 50,800.73 : x
  2. Step 2: Convert to fraction form
    129,631.15/194,430.32 = 50,800.73/x
  3. Step 3: Cross multiply
    129,631.15x = 194,430.32 × 50,800.73
  4. Step 4: Simplify right side
    129,631.15x = 9,877,201,936.13
  5. Step 5: Solve for x
    x = 9,877,201,936.13/129,631.15
  6. Step 6: Final answer
    x = 76,194.67

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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.