Home / 205,985.23-309,021.92-63,827.35

Finding the Fourth Proportional to 205,985.23, 309,021.92 and 63,827.35

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Solution

The fourth proportional to 205,985.23, 309,021.92 and 63,827.35 is: 95,754.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,985.23 : 309,021.92 = 63,827.35 : x
  2. Step 2: Convert to fraction form
    205,985.23/309,021.92 = 63,827.35/x
  3. Step 3: Cross multiply
    205,985.23x = 309,021.92 × 63,827.35
  4. Step 4: Simplify right side
    205,985.23x = 19,724,050,245.51
  5. Step 5: Solve for x
    x = 19,724,050,245.51/205,985.23
  6. Step 6: Final answer
    x = 95,754.68

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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.