Home / 151,743.94-209,418.25-83,774.04

Finding the Fourth Proportional to 151,743.94, 209,418.25 and 83,774.04

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Solution

The fourth proportional to 151,743.94, 209,418.25 and 83,774.04 is: 115,614.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,743.94 : 209,418.25 = 83,774.04 : x
  2. Step 2: Convert to fraction form
    151,743.94/209,418.25 = 83,774.04/x
  3. Step 3: Cross multiply
    151,743.94x = 209,418.25 × 83,774.04
  4. Step 4: Simplify right side
    151,743.94x = 17,543,812,852.23
  5. Step 5: Solve for x
    x = 17,543,812,852.23/151,743.94
  6. Step 6: Final answer
    x = 115,614.59

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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.