Home / 197,764.64-272,964.04-112,930.92

Finding the Fourth Proportional to 197,764.64, 272,964.04 and 112,930.92

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Solution

The fourth proportional to 197,764.64, 272,964.04 and 112,930.92 is: 155,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,764.64 : 272,964.04 = 112,930.92 : x
  2. Step 2: Convert to fraction form
    197,764.64/272,964.04 = 112,930.92/x
  3. Step 3: Cross multiply
    197,764.64x = 272,964.04 × 112,930.92
  4. Step 4: Simplify right side
    197,764.64x = 30,826,080,164.12
  5. Step 5: Solve for x
    x = 30,826,080,164.12/197,764.64
  6. Step 6: Final answer
    x = 155,872.56

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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.