Home / 131,735.42-197,634.56-42,989.08

Finding the Fourth Proportional to 131,735.42, 197,634.56 and 42,989.08

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Solution

The fourth proportional to 131,735.42, 197,634.56 and 42,989.08 is: 64,493.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,735.42 : 197,634.56 = 42,989.08 : x
  2. Step 2: Convert to fraction form
    131,735.42/197,634.56 = 42,989.08/x
  3. Step 3: Cross multiply
    131,735.42x = 197,634.56 × 42,989.08
  4. Step 4: Simplify right side
    131,735.42x = 8,496,127,910.60
  5. Step 5: Solve for x
    x = 8,496,127,910.60/131,735.42
  6. Step 6: Final answer
    x = 64,493.88

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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.