Home / 158,910.26-219,297.77-86,314.57

Finding the Fourth Proportional to 158,910.26, 219,297.77 and 86,314.57

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Solution

The fourth proportional to 158,910.26, 219,297.77 and 86,314.57 is: 119,114.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,910.26 : 219,297.77 = 86,314.57 : x
  2. Step 2: Convert to fraction form
    158,910.26/219,297.77 = 86,314.57/x
  3. Step 3: Cross multiply
    158,910.26x = 219,297.77 × 86,314.57
  4. Step 4: Simplify right side
    158,910.26x = 18,928,592,063.37
  5. Step 5: Solve for x
    x = 18,928,592,063.37/158,910.26
  6. Step 6: Final answer
    x = 119,114.98

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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.