Home / 130,937.22-196,491.92-71,814.38

Finding the Fourth Proportional to 130,937.22, 196,491.92 and 71,814.38

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Solution

The fourth proportional to 130,937.22, 196,491.92 and 71,814.38 is: 107,768.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,937.22 : 196,491.92 = 71,814.38 : x
  2. Step 2: Convert to fraction form
    130,937.22/196,491.92 = 71,814.38/x
  3. Step 3: Cross multiply
    130,937.22x = 196,491.92 × 71,814.38
  4. Step 4: Simplify right side
    130,937.22x = 14,110,945,409.81
  5. Step 5: Solve for x
    x = 14,110,945,409.81/130,937.22
  6. Step 6: Final answer
    x = 107,768.79

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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.