Home / 127,607.42-191,396.54-34,120.46

Finding the Fourth Proportional to 127,607.42, 191,396.54 and 34,120.46

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Solution

The fourth proportional to 127,607.42, 191,396.54 and 34,120.46 is: 51,176.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,607.42 : 191,396.54 = 34,120.46 : x
  2. Step 2: Convert to fraction form
    127,607.42/191,396.54 = 34,120.46/x
  3. Step 3: Cross multiply
    127,607.42x = 191,396.54 × 34,120.46
  4. Step 4: Simplify right side
    127,607.42x = 6,530,536,859.62
  5. Step 5: Solve for x
    x = 6,530,536,859.62/127,607.42
  6. Step 6: Final answer
    x = 51,176.78

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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.