Home / 133,028.48-199,424.03-48,768.96

Finding the Fourth Proportional to 133,028.48, 199,424.03 and 48,768.96

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Solution

The fourth proportional to 133,028.48, 199,424.03 and 48,768.96 is: 73,109.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,028.48 : 199,424.03 = 48,768.96 : x
  2. Step 2: Convert to fraction form
    133,028.48/199,424.03 = 48,768.96/x
  3. Step 3: Cross multiply
    133,028.48x = 199,424.03 × 48,768.96
  4. Step 4: Simplify right side
    133,028.48x = 9,725,702,542.11
  5. Step 5: Solve for x
    x = 9,725,702,542.11/133,028.48
  6. Step 6: Final answer
    x = 73,109.93

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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.