Home / 205,898.52-284,126.79-115,239.24

Finding the Fourth Proportional to 205,898.52, 284,126.79 and 115,239.24

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Solution

The fourth proportional to 205,898.52, 284,126.79 and 115,239.24 is: 159,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,898.52 : 284,126.79 = 115,239.24 : x
  2. Step 2: Convert to fraction form
    205,898.52/284,126.79 = 115,239.24/x
  3. Step 3: Cross multiply
    205,898.52x = 284,126.79 × 115,239.24
  4. Step 4: Simplify right side
    205,898.52x = 32,742,555,343.24
  5. Step 5: Solve for x
    x = 32,742,555,343.24/205,898.52
  6. Step 6: Final answer
    x = 159,022.78

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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.