Home / 206,019.48-309,077.40-63,857.31

Finding the Fourth Proportional to 206,019.48, 309,077.40 and 63,857.31

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Solution

The fourth proportional to 206,019.48, 309,077.40 and 63,857.31 is: 95,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,019.48 : 309,077.40 = 63,857.31 : x
  2. Step 2: Convert to fraction form
    206,019.48/309,077.40 = 63,857.31/x
  3. Step 3: Cross multiply
    206,019.48x = 309,077.40 × 63,857.31
  4. Step 4: Simplify right side
    206,019.48x = 19,736,851,345.79
  5. Step 5: Solve for x
    x = 19,736,851,345.79/206,019.48
  6. Step 6: Final answer
    x = 95,800.90

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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.