Home / 140,122.26-193,373.38-76,463.54

Finding the Fourth Proportional to 140,122.26, 193,373.38 and 76,463.54

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Solution

The fourth proportional to 140,122.26, 193,373.38 and 76,463.54 is: 105,522.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,122.26 : 193,373.38 = 76,463.54 : x
  2. Step 2: Convert to fraction form
    140,122.26/193,373.38 = 76,463.54/x
  3. Step 3: Cross multiply
    140,122.26x = 193,373.38 × 76,463.54
  4. Step 4: Simplify right side
    140,122.26x = 14,786,013,176.57
  5. Step 5: Solve for x
    x = 14,786,013,176.57/140,122.26
  6. Step 6: Final answer
    x = 105,522.23

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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.