Home / 109,048.25-163,572.38-29,086.47

Finding the Fourth Proportional to 109,048.25, 163,572.38 and 29,086.47

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Solution

The fourth proportional to 109,048.25, 163,572.38 and 29,086.47 is: 43,629.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,048.25 : 163,572.38 = 29,086.47 : x
  2. Step 2: Convert to fraction form
    109,048.25/163,572.38 = 29,086.47/x
  3. Step 3: Cross multiply
    109,048.25x = 163,572.38 × 29,086.47
  4. Step 4: Simplify right side
    109,048.25x = 4,757,743,123.70
  5. Step 5: Solve for x
    x = 4,757,743,123.70/109,048.25
  6. Step 6: Final answer
    x = 43,629.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.