Home / 219,550.03-329,435.70-86,525.75

Finding the Fourth Proportional to 219,550.03, 329,435.70 and 86,525.75

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Solution

The fourth proportional to 219,550.03, 329,435.70 and 86,525.75 is: 129,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,550.03 : 329,435.70 = 86,525.75 : x
  2. Step 2: Convert to fraction form
    219,550.03/329,435.70 = 86,525.75/x
  3. Step 3: Cross multiply
    219,550.03x = 329,435.70 × 86,525.75
  4. Step 4: Simplify right side
    219,550.03x = 28,504,671,019.28
  5. Step 5: Solve for x
    x = 28,504,671,019.28/219,550.03
  6. Step 6: Final answer
    x = 129,832.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.