Home / 203,451.64-280,752.04-112,802.32

Finding the Fourth Proportional to 203,451.64, 280,752.04 and 112,802.32

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Solution

The fourth proportional to 203,451.64, 280,752.04 and 112,802.32 is: 155,660.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,451.64 : 280,752.04 = 112,802.32 : x
  2. Step 2: Convert to fraction form
    203,451.64/280,752.04 = 112,802.32/x
  3. Step 3: Cross multiply
    203,451.64x = 280,752.04 × 112,802.32
  4. Step 4: Simplify right side
    203,451.64x = 31,669,481,456.73
  5. Step 5: Solve for x
    x = 31,669,481,456.73/203,451.64
  6. Step 6: Final answer
    x = 155,660.98

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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.