Home / 101,721.89-152,576.68-45,546.91

Finding the Fourth Proportional to 101,721.89, 152,576.68 and 45,546.91

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Solution

The fourth proportional to 101,721.89, 152,576.68 and 45,546.91 is: 68,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,721.89 : 152,576.68 = 45,546.91 : x
  2. Step 2: Convert to fraction form
    101,721.89/152,576.68 = 45,546.91/x
  3. Step 3: Cross multiply
    101,721.89x = 152,576.68 × 45,546.91
  4. Step 4: Simplify right side
    101,721.89x = 6,949,395,710.00
  5. Step 5: Solve for x
    x = 6,949,395,710.00/101,721.89
  6. Step 6: Final answer
    x = 68,317.60

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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.