Home / 161,760.20-242,640.30-83,028.20

Finding the Fourth Proportional to 161,760.20, 242,640.30 and 83,028.20

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Solution

The fourth proportional to 161,760.20, 242,640.30 and 83,028.20 is: 124,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,760.20 : 242,640.30 = 83,028.20 : x
  2. Step 2: Convert to fraction form
    161,760.20/242,640.30 = 83,028.20/x
  3. Step 3: Cross multiply
    161,760.20x = 242,640.30 × 83,028.20
  4. Step 4: Simplify right side
    161,760.20x = 20,145,987,356.46
  5. Step 5: Solve for x
    x = 20,145,987,356.46/161,760.20
  6. Step 6: Final answer
    x = 124,542.30

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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.