Home / 197,467.82-272,506.92-120,987.06

Finding the Fourth Proportional to 197,467.82, 272,506.92 and 120,987.06

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Solution

The fourth proportional to 197,467.82, 272,506.92 and 120,987.06 is: 166,962.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,467.82 : 272,506.92 = 120,987.06 : x
  2. Step 2: Convert to fraction form
    197,467.82/272,506.92 = 120,987.06/x
  3. Step 3: Cross multiply
    197,467.82x = 272,506.92 × 120,987.06
  4. Step 4: Simplify right side
    197,467.82x = 32,969,811,080.46
  5. Step 5: Solve for x
    x = 32,969,811,080.46/197,467.82
  6. Step 6: Final answer
    x = 166,962.96

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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.