Home / 205,898.10-284,125.59-115,238.58

Finding the Fourth Proportional to 205,898.10, 284,125.59 and 115,238.58

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Solution

The fourth proportional to 205,898.10, 284,125.59 and 115,238.58 is: 159,021.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,898.10 : 284,125.59 = 115,238.58 : x
  2. Step 2: Convert to fraction form
    205,898.10/284,125.59 = 115,238.58/x
  3. Step 3: Cross multiply
    205,898.10x = 284,125.59 × 115,238.58
  4. Step 4: Simplify right side
    205,898.10x = 32,742,229,533.26
  5. Step 5: Solve for x
    x = 32,742,229,533.26/205,898.10
  6. Step 6: Final answer
    x = 159,021.52

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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.