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Finding the Fourth Proportional to 164,133.84, 246,200.80 and 126,748.56

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Solution

The fourth proportional to 164,133.84, 246,200.80 and 126,748.56 is: 190,122.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,133.84 : 246,200.80 = 126,748.56 : x
  2. Step 2: Convert to fraction form
    164,133.84/246,200.80 = 126,748.56/x
  3. Step 3: Cross multiply
    164,133.84x = 246,200.80 × 126,748.56
  4. Step 4: Simplify right side
    164,133.84x = 31,205,596,870.85
  5. Step 5: Solve for x
    x = 31,205,596,870.85/164,133.84
  6. Step 6: Final answer
    x = 190,122.87

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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.