Home / 151,926.23-209,480.33-103,556.79

Finding the Fourth Proportional to 151,926.23, 209,480.33 and 103,556.79

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Solution

The fourth proportional to 151,926.23, 209,480.33 and 103,556.79 is: 142,787.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,926.23 : 209,480.33 = 103,556.79 : x
  2. Step 2: Convert to fraction form
    151,926.23/209,480.33 = 103,556.79/x
  3. Step 3: Cross multiply
    151,926.23x = 209,480.33 × 103,556.79
  4. Step 4: Simplify right side
    151,926.23x = 21,693,110,542.94
  5. Step 5: Solve for x
    x = 21,693,110,542.94/151,926.23
  6. Step 6: Final answer
    x = 142,787.13

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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.