Home / 205,814.04-284,013.72-115,181.52

Finding the Fourth Proportional to 205,814.04, 284,013.72 and 115,181.52

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Solution

The fourth proportional to 205,814.04, 284,013.72 and 115,181.52 is: 158,945.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,814.04 : 284,013.72 = 115,181.52 : x
  2. Step 2: Convert to fraction form
    205,814.04/284,013.72 = 115,181.52/x
  3. Step 3: Cross multiply
    205,814.04x = 284,013.72 × 115,181.52
  4. Step 4: Simplify right side
    205,814.04x = 32,713,131,970.45
  5. Step 5: Solve for x
    x = 32,713,131,970.45/205,814.04
  6. Step 6: Final answer
    x = 158,945.09

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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.