Home / 148,103.19-204,381.45-80,119.89

Finding the Fourth Proportional to 148,103.19, 204,381.45 and 80,119.89

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Solution

The fourth proportional to 148,103.19, 204,381.45 and 80,119.89 is: 110,564.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,103.19 : 204,381.45 = 80,119.89 : x
  2. Step 2: Convert to fraction form
    148,103.19/204,381.45 = 80,119.89/x
  3. Step 3: Cross multiply
    148,103.19x = 204,381.45 × 80,119.89
  4. Step 4: Simplify right side
    148,103.19x = 16,375,019,292.04
  5. Step 5: Solve for x
    x = 16,375,019,292.04/148,103.19
  6. Step 6: Final answer
    x = 110,564.93

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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.