Home / 203,625.08-280,744.26-145,551.32

Finding the Fourth Proportional to 203,625.08, 280,744.26 and 145,551.32

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Solution

The fourth proportional to 203,625.08, 280,744.26 and 145,551.32 is: 200,676.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,625.08 : 280,744.26 = 145,551.32 : x
  2. Step 2: Convert to fraction form
    203,625.08/280,744.26 = 145,551.32/x
  3. Step 3: Cross multiply
    203,625.08x = 280,744.26 × 145,551.32
  4. Step 4: Simplify right side
    203,625.08x = 40,862,697,625.42
  5. Step 5: Solve for x
    x = 40,862,697,625.42/203,625.08
  6. Step 6: Final answer
    x = 200,676.15

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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.