Home / 147,628.72-221,110.14-68,576.59

Finding the Fourth Proportional to 147,628.72, 221,110.14 and 68,576.59

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Solution

The fourth proportional to 147,628.72, 221,110.14 and 68,576.59 is: 102,710.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,628.72 : 221,110.14 = 68,576.59 : x
  2. Step 2: Convert to fraction form
    147,628.72/221,110.14 = 68,576.59/x
  3. Step 3: Cross multiply
    147,628.72x = 221,110.14 × 68,576.59
  4. Step 4: Simplify right side
    147,628.72x = 15,162,978,310.07
  5. Step 5: Solve for x
    x = 15,162,978,310.07/147,628.72
  6. Step 6: Final answer
    x = 102,710.22

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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.