Home / 206,498.04-309,779.46-88,170

Finding the Fourth Proportional to 206,498.04, 309,779.46 and 88,170

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Solution

The fourth proportional to 206,498.04, 309,779.46 and 88,170 is: 132,268.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,498.04 : 309,779.46 = 88,170 : x
  2. Step 2: Convert to fraction form
    206,498.04/309,779.46 = 88,170/x
  3. Step 3: Cross multiply
    206,498.04x = 309,779.46 × 88,170
  4. Step 4: Simplify right side
    206,498.04x = 27,313,254,988.20
  5. Step 5: Solve for x
    x = 27,313,254,988.20/206,498.04
  6. Step 6: Final answer
    x = 132,268.83

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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.