Home / 161,450.13-242,324.84-81,544.22

Finding the Fourth Proportional to 161,450.13, 242,324.84 and 81,544.22

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Solution

The fourth proportional to 161,450.13, 242,324.84 and 81,544.22 is: 122,391.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,450.13 : 242,324.84 = 81,544.22 : x
  2. Step 2: Convert to fraction form
    161,450.13/242,324.84 = 81,544.22/x
  3. Step 3: Cross multiply
    161,450.13x = 242,324.84 × 81,544.22
  4. Step 4: Simplify right side
    161,450.13x = 19,760,190,064.42
  5. Step 5: Solve for x
    x = 19,760,190,064.42/161,450.13
  6. Step 6: Final answer
    x = 122,391.91

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1.5x scale

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.