Home / 206,145.54-309,213.93-56,385.84

Finding the Fourth Proportional to 206,145.54, 309,213.93 and 56,385.84

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Solution

The fourth proportional to 206,145.54, 309,213.93 and 56,385.84 is: 84,577.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,145.54 : 309,213.93 = 56,385.84 : x
  2. Step 2: Convert to fraction form
    206,145.54/309,213.93 = 56,385.84/x
  3. Step 3: Cross multiply
    206,145.54x = 309,213.93 × 56,385.84
  4. Step 4: Simplify right side
    206,145.54x = 17,435,287,182.75
  5. Step 5: Solve for x
    x = 17,435,287,182.75/206,145.54
  6. Step 6: Final answer
    x = 84,577.56

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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.