Home / 204,929.40-307,062.90-115,918.20

Finding the Fourth Proportional to 204,929.40, 307,062.90 and 115,918.20

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Solution

The fourth proportional to 204,929.40, 307,062.90 and 115,918.20 is: 173,689.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,929.40 : 307,062.90 = 115,918.20 : x
  2. Step 2: Convert to fraction form
    204,929.40/307,062.90 = 115,918.20/x
  3. Step 3: Cross multiply
    204,929.40x = 307,062.90 × 115,918.20
  4. Step 4: Simplify right side
    204,929.40x = 35,594,178,654.78
  5. Step 5: Solve for x
    x = 35,594,178,654.78/204,929.40
  6. Step 6: Final answer
    x = 173,689.96

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1.5x scale

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.