Home / 206,123.73-284,386.19-115,467.45

Finding the Fourth Proportional to 206,123.73, 284,386.19 and 115,467.45

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Solution

The fourth proportional to 206,123.73, 284,386.19 and 115,467.45 is: 159,308.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,123.73 : 284,386.19 = 115,467.45 : x
  2. Step 2: Convert to fraction form
    206,123.73/284,386.19 = 115,467.45/x
  3. Step 3: Cross multiply
    206,123.73x = 284,386.19 × 115,467.45
  4. Step 4: Simplify right side
    206,123.73x = 32,837,347,597.18
  5. Step 5: Solve for x
    x = 32,837,347,597.18/206,123.73
  6. Step 6: Final answer
    x = 159,308.91

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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.