Home / 151,975.44-209,734.08-91,565.04

Finding the Fourth Proportional to 151,975.44, 209,734.08 and 91,565.04

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Solution

The fourth proportional to 151,975.44, 209,734.08 and 91,565.04 is: 126,364.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,975.44 : 209,734.08 = 91,565.04 : x
  2. Step 2: Convert to fraction form
    151,975.44/209,734.08 = 91,565.04/x
  3. Step 3: Cross multiply
    151,975.44x = 209,734.08 × 91,565.04
  4. Step 4: Simplify right side
    151,975.44x = 19,204,309,424.56
  5. Step 5: Solve for x
    x = 19,204,309,424.56/151,975.44
  6. Step 6: Final answer
    x = 126,364.56

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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.