Home / 130,764.22-196,222.01-54,855.96

Finding the Fourth Proportional to 130,764.22, 196,222.01 and 54,855.96

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Solution

The fourth proportional to 130,764.22, 196,222.01 and 54,855.96 is: 82,315.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,764.22 : 196,222.01 = 54,855.96 : x
  2. Step 2: Convert to fraction form
    130,764.22/196,222.01 = 54,855.96/x
  3. Step 3: Cross multiply
    130,764.22x = 196,222.01 × 54,855.96
  4. Step 4: Simplify right side
    130,764.22x = 10,763,946,457.40
  5. Step 5: Solve for x
    x = 10,763,946,457.40/130,764.22
  6. Step 6: Final answer
    x = 82,315.69

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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.