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Finding the Fourth Proportional to 133,828.48, 184,688.48 and 73,401.67

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Solution

The fourth proportional to 133,828.48, 184,688.48 and 73,401.67 is: 101,297.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,828.48 : 184,688.48 = 73,401.67 : x
  2. Step 2: Convert to fraction form
    133,828.48/184,688.48 = 73,401.67/x
  3. Step 3: Cross multiply
    133,828.48x = 184,688.48 × 73,401.67
  4. Step 4: Simplify right side
    133,828.48x = 13,556,442,550.25
  5. Step 5: Solve for x
    x = 13,556,442,550.25/133,828.48
  6. Step 6: Final answer
    x = 101,297.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.