Home / 148,470.03-204,982.07-103,133.43

Finding the Fourth Proportional to 148,470.03, 204,982.07 and 103,133.43

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Solution

The fourth proportional to 148,470.03, 204,982.07 and 103,133.43 is: 142,389.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,470.03 : 204,982.07 = 103,133.43 : x
  2. Step 2: Convert to fraction form
    148,470.03/204,982.07 = 103,133.43/x
  3. Step 3: Cross multiply
    148,470.03x = 204,982.07 × 103,133.43
  4. Step 4: Simplify right side
    148,470.03x = 21,140,503,451.93
  5. Step 5: Solve for x
    x = 21,140,503,451.93/148,470.03
  6. Step 6: Final answer
    x = 142,389.03

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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.