Home / 194,799.30-291,968.55-82,479.30

Finding the Fourth Proportional to 194,799.30, 291,968.55 and 82,479.30

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Solution

The fourth proportional to 194,799.30, 291,968.55 and 82,479.30 is: 123,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,799.30 : 291,968.55 = 82,479.30 : x
  2. Step 2: Convert to fraction form
    194,799.30/291,968.55 = 82,479.30/x
  3. Step 3: Cross multiply
    194,799.30x = 291,968.55 × 82,479.30
  4. Step 4: Simplify right side
    194,799.30x = 24,081,361,626.02
  5. Step 5: Solve for x
    x = 24,081,361,626.02/194,799.30
  6. Step 6: Final answer
    x = 123,621.40

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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.