Home / 203,204.26-280,424.13-112,561.62

Finding the Fourth Proportional to 203,204.26, 280,424.13 and 112,561.62

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Solution

The fourth proportional to 203,204.26, 280,424.13 and 112,561.62 is: 155,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,204.26 : 280,424.13 = 112,561.62 : x
  2. Step 2: Convert to fraction form
    203,204.26/280,424.13 = 112,561.62/x
  3. Step 3: Cross multiply
    203,204.26x = 280,424.13 × 112,561.62
  4. Step 4: Simplify right side
    203,204.26x = 31,564,994,359.89
  5. Step 5: Solve for x
    x = 31,564,994,359.89/203,204.26
  6. Step 6: Final answer
    x = 155,336.28

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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.