Home / 131,738.98-197,608.96-31,899

Finding the Fourth Proportional to 131,738.98, 197,608.96 and 31,899

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Solution

The fourth proportional to 131,738.98, 197,608.96 and 31,899 is: 47,848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,738.98 : 197,608.96 = 31,899 : x
  2. Step 2: Convert to fraction form
    131,738.98/197,608.96 = 31,899/x
  3. Step 3: Cross multiply
    131,738.98x = 197,608.96 × 31,899
  4. Step 4: Simplify right side
    131,738.98x = 6,303,528,215.04
  5. Step 5: Solve for x
    x = 6,303,528,215.04/131,738.98
  6. Step 6: Final answer
    x = 47,848.62

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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.