Home / 146,389.03-202,016.91-79,321.03

Finding the Fourth Proportional to 146,389.03, 202,016.91 and 79,321.03

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Solution

The fourth proportional to 146,389.03, 202,016.91 and 79,321.03 is: 109,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,389.03 : 202,016.91 = 79,321.03 : x
  2. Step 2: Convert to fraction form
    146,389.03/202,016.91 = 79,321.03/x
  3. Step 3: Cross multiply
    146,389.03x = 202,016.91 × 79,321.03
  4. Step 4: Simplify right side
    146,389.03x = 16,024,189,378.62
  5. Step 5: Solve for x
    x = 16,024,189,378.62/146,389.03
  6. Step 6: Final answer
    x = 109,463.05

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1.5x scale

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.