Home / 205,812.04-284,010.96-115,179.52

Finding the Fourth Proportional to 205,812.04, 284,010.96 and 115,179.52

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Solution

The fourth proportional to 205,812.04, 284,010.96 and 115,179.52 is: 158,942.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,812.04 : 284,010.96 = 115,179.52 : x
  2. Step 2: Convert to fraction form
    205,812.04/284,010.96 = 115,179.52/x
  3. Step 3: Cross multiply
    205,812.04x = 284,010.96 × 115,179.52
  4. Step 4: Simplify right side
    205,812.04x = 32,712,246,047.54
  5. Step 5: Solve for x
    x = 32,712,246,047.54/205,812.04
  6. Step 6: Final answer
    x = 158,942.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.