Home / 131,738.82-197,639.67-42,992.49

Finding the Fourth Proportional to 131,738.82, 197,639.67 and 42,992.49

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Solution

The fourth proportional to 131,738.82, 197,639.67 and 42,992.49 is: 64,499.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,738.82 : 197,639.67 = 42,992.49 : x
  2. Step 2: Convert to fraction form
    131,738.82/197,639.67 = 42,992.49/x
  3. Step 3: Cross multiply
    131,738.82x = 197,639.67 × 42,992.49
  4. Step 4: Simplify right side
    131,738.82x = 8,497,021,536.08
  5. Step 5: Solve for x
    x = 8,497,021,536.08/131,738.82
  6. Step 6: Final answer
    x = 64,499.00

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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.