Home / 96,428.67-144,662.54-34,142.91

Finding the Fourth Proportional to 96,428.67, 144,662.54 and 34,142.91

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Solution

The fourth proportional to 96,428.67, 144,662.54 and 34,142.91 is: 51,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,428.67 : 144,662.54 = 34,142.91 : x
  2. Step 2: Convert to fraction form
    96,428.67/144,662.54 = 34,142.91/x
  3. Step 3: Cross multiply
    96,428.67x = 144,662.54 × 34,142.91
  4. Step 4: Simplify right side
    96,428.67x = 4,939,199,912.88
  5. Step 5: Solve for x
    x = 4,939,199,912.88/96,428.67
  6. Step 6: Final answer
    x = 51,221.28

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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.