Home / 148,609.01-222,532.92-81,975.07

Finding the Fourth Proportional to 148,609.01, 222,532.92 and 81,975.07

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Solution

The fourth proportional to 148,609.01, 222,532.92 and 81,975.07 is: 122,752.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,609.01 : 222,532.92 = 81,975.07 : x
  2. Step 2: Convert to fraction form
    148,609.01/222,532.92 = 81,975.07/x
  3. Step 3: Cross multiply
    148,609.01x = 222,532.92 × 81,975.07
  4. Step 4: Simplify right side
    148,609.01x = 18,242,151,972.47
  5. Step 5: Solve for x
    x = 18,242,151,972.47/148,609.01
  6. Step 6: Final answer
    x = 122,752.66

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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.