Home / 203,092.28-280,328.09-131,477.13

Finding the Fourth Proportional to 203,092.28, 280,328.09 and 131,477.13

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Solution

The fourth proportional to 203,092.28, 280,328.09 and 131,477.13 is: 181,477.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,092.28 : 280,328.09 = 131,477.13 : x
  2. Step 2: Convert to fraction form
    203,092.28/280,328.09 = 131,477.13/x
  3. Step 3: Cross multiply
    203,092.28x = 280,328.09 × 131,477.13
  4. Step 4: Simplify right side
    203,092.28x = 36,856,732,074.20
  5. Step 5: Solve for x
    x = 36,856,732,074.20/203,092.28
  6. Step 6: Final answer
    x = 181,477.76

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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.