Home / 131,829.12-197,752.84-52,943.32

Finding the Fourth Proportional to 131,829.12, 197,752.84 and 52,943.32

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Solution

The fourth proportional to 131,829.12, 197,752.84 and 52,943.32 is: 79,418.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,829.12 : 197,752.84 = 52,943.32 : x
  2. Step 2: Convert to fraction form
    131,829.12/197,752.84 = 52,943.32/x
  3. Step 3: Cross multiply
    131,829.12x = 197,752.84 × 52,943.32
  4. Step 4: Simplify right side
    131,829.12x = 10,469,691,889.03
  5. Step 5: Solve for x
    x = 10,469,691,889.03/131,829.12
  6. Step 6: Final answer
    x = 79,418.66

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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.