Home / 130,934.42-196,487.76-71,811.62

Finding the Fourth Proportional to 130,934.42, 196,487.76 and 71,811.62

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Solution

The fourth proportional to 130,934.42, 196,487.76 and 71,811.62 is: 107,764.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,934.42 : 196,487.76 = 71,811.62 : x
  2. Step 2: Convert to fraction form
    130,934.42/196,487.76 = 71,811.62/x
  3. Step 3: Cross multiply
    130,934.42x = 196,487.76 × 71,811.62
  4. Step 4: Simplify right side
    130,934.42x = 14,110,103,373.33
  5. Step 5: Solve for x
    x = 14,110,103,373.33/130,934.42
  6. Step 6: Final answer
    x = 107,764.67

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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.