Home / 196,926.80-295,280.85-78,464.30

Finding the Fourth Proportional to 196,926.80, 295,280.85 and 78,464.30

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Solution

The fourth proportional to 196,926.80, 295,280.85 and 78,464.30 is: 117,652.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,926.80 : 295,280.85 = 78,464.30 : x
  2. Step 2: Convert to fraction form
    196,926.80/295,280.85 = 78,464.30/x
  3. Step 3: Cross multiply
    196,926.80x = 295,280.85 × 78,464.30
  4. Step 4: Simplify right side
    196,926.80x = 23,169,005,198.66
  5. Step 5: Solve for x
    x = 23,169,005,198.66/196,926.80
  6. Step 6: Final answer
    x = 117,652.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.