Home / 147,112.70-220,701.84-53,618.45

Finding the Fourth Proportional to 147,112.70, 220,701.84 and 53,618.45

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Solution

The fourth proportional to 147,112.70, 220,701.84 and 53,618.45 is: 80,439.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,112.70 : 220,701.84 = 53,618.45 : x
  2. Step 2: Convert to fraction form
    147,112.70/220,701.84 = 53,618.45/x
  3. Step 3: Cross multiply
    147,112.70x = 220,701.84 × 53,618.45
  4. Step 4: Simplify right side
    147,112.70x = 11,833,689,469.44
  5. Step 5: Solve for x
    x = 11,833,689,469.44/147,112.70
  6. Step 6: Final answer
    x = 80,439.62

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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.