Home / 203,274.72-280,458.24-131,541.12

Finding the Fourth Proportional to 203,274.72, 280,458.24 and 131,541.12

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Solution

The fourth proportional to 203,274.72, 280,458.24 and 131,541.12 is: 181,487.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,274.72 : 280,458.24 = 131,541.12 : x
  2. Step 2: Convert to fraction form
    203,274.72/280,458.24 = 131,541.12/x
  3. Step 3: Cross multiply
    203,274.72x = 280,458.24 × 131,541.12
  4. Step 4: Simplify right side
    203,274.72x = 36,891,791,002.83
  5. Step 5: Solve for x
    x = 36,891,791,002.83/203,274.72
  6. Step 6: Final answer
    x = 181,487.35

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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.