Home / 97,786.20-146,727.90-38,623.80

Finding the Fourth Proportional to 97,786.20, 146,727.90 and 38,623.80

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Solution

The fourth proportional to 97,786.20, 146,727.90 and 38,623.80 is: 57,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,786.20 : 146,727.90 = 38,623.80 : x
  2. Step 2: Convert to fraction form
    97,786.20/146,727.90 = 38,623.80/x
  3. Step 3: Cross multiply
    97,786.20x = 146,727.90 × 38,623.80
  4. Step 4: Simplify right side
    97,786.20x = 5,667,189,064.02
  5. Step 5: Solve for x
    x = 5,667,189,064.02/97,786.20
  6. Step 6: Final answer
    x = 57,954.90

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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.