Home / 205,353.42-308,029.94-77,293.62

Finding the Fourth Proportional to 205,353.42, 308,029.94 and 77,293.62

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Solution

The fourth proportional to 205,353.42, 308,029.94 and 77,293.62 is: 115,940.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,353.42 : 308,029.94 = 77,293.62 : x
  2. Step 2: Convert to fraction form
    205,353.42/308,029.94 = 77,293.62/x
  3. Step 3: Cross multiply
    205,353.42x = 308,029.94 × 77,293.62
  4. Step 4: Simplify right side
    205,353.42x = 23,808,748,744.51
  5. Step 5: Solve for x
    x = 23,808,748,744.51/205,353.42
  6. Step 6: Final answer
    x = 115,940.36

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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.