Home / 159,325.21-219,871.56-91,353.25

Finding the Fourth Proportional to 159,325.21, 219,871.56 and 91,353.25

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Solution

The fourth proportional to 159,325.21, 219,871.56 and 91,353.25 is: 126,069.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,325.21 : 219,871.56 = 91,353.25 : x
  2. Step 2: Convert to fraction form
    159,325.21/219,871.56 = 91,353.25/x
  3. Step 3: Cross multiply
    159,325.21x = 219,871.56 × 91,353.25
  4. Step 4: Simplify right side
    159,325.21x = 20,085,981,588.57
  5. Step 5: Solve for x
    x = 20,085,981,588.57/159,325.21
  6. Step 6: Final answer
    x = 126,069.07

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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.