Home / 131,271.70-196,983.93-55,365.52

Finding the Fourth Proportional to 131,271.70, 196,983.93 and 55,365.52

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Solution

The fourth proportional to 131,271.70, 196,983.93 and 55,365.52 is: 83,080.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,271.70 : 196,983.93 = 55,365.52 : x
  2. Step 2: Convert to fraction form
    131,271.70/196,983.93 = 55,365.52/x
  3. Step 3: Cross multiply
    131,271.70x = 196,983.93 × 55,365.52
  4. Step 4: Simplify right side
    131,271.70x = 10,906,117,716.09
  5. Step 5: Solve for x
    x = 10,906,117,716.09/131,271.70
  6. Step 6: Final answer
    x = 83,080.49

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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.