Home / 197,262.68-272,227.84-120,780.32

Finding the Fourth Proportional to 197,262.68, 272,227.84 and 120,780.32

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Solution

The fourth proportional to 197,262.68, 272,227.84 and 120,780.32 is: 166,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,262.68 : 272,227.84 = 120,780.32 : x
  2. Step 2: Convert to fraction form
    197,262.68/272,227.84 = 120,780.32/x
  3. Step 3: Cross multiply
    197,262.68x = 272,227.84 × 120,780.32
  4. Step 4: Simplify right side
    197,262.68x = 32,879,763,965.02
  5. Step 5: Solve for x
    x = 32,879,763,965.02/197,262.68
  6. Step 6: Final answer
    x = 166,680.11

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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.