Home / 131,351.21-197,054.49-42,597.79

Finding the Fourth Proportional to 131,351.21, 197,054.49 and 42,597.79

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Solution

The fourth proportional to 131,351.21, 197,054.49 and 42,597.79 is: 63,905.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,351.21 : 197,054.49 = 42,597.79 : x
  2. Step 2: Convert to fraction form
    131,351.21/197,054.49 = 42,597.79/x
  3. Step 3: Cross multiply
    131,351.21x = 197,054.49 × 42,597.79
  4. Step 4: Simplify right side
    131,351.21x = 8,394,086,319.50
  5. Step 5: Solve for x
    x = 8,394,086,319.50/131,351.21
  6. Step 6: Final answer
    x = 63,905.66

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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.