Home / 131,252.22-196,919.01-55,390.05

Finding the Fourth Proportional to 131,252.22, 196,919.01 and 55,390.05

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Solution

The fourth proportional to 131,252.22, 196,919.01 and 55,390.05 is: 83,102.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,252.22 : 196,919.01 = 55,390.05 : x
  2. Step 2: Convert to fraction form
    131,252.22/196,919.01 = 55,390.05/x
  3. Step 3: Cross multiply
    131,252.22x = 196,919.01 × 55,390.05
  4. Step 4: Simplify right side
    131,252.22x = 10,907,353,809.85
  5. Step 5: Solve for x
    x = 10,907,353,809.85/131,252.22
  6. Step 6: Final answer
    x = 83,102.24

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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.