Home / 159,188.09-219,677.97-87,568.19

Finding the Fourth Proportional to 159,188.09, 219,677.97 and 87,568.19

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Solution

The fourth proportional to 159,188.09, 219,677.97 and 87,568.19 is: 120,843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,188.09 : 219,677.97 = 87,568.19 : x
  2. Step 2: Convert to fraction form
    159,188.09/219,677.97 = 87,568.19/x
  3. Step 3: Cross multiply
    159,188.09x = 219,677.97 × 87,568.19
  4. Step 4: Simplify right side
    159,188.09x = 19,236,802,269.56
  5. Step 5: Solve for x
    x = 19,236,802,269.56/159,188.09
  6. Step 6: Final answer
    x = 120,843.23

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1.5x scale

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.