Home / 219,556.03-329,444.70-86,531.75

Finding the Fourth Proportional to 219,556.03, 329,444.70 and 86,531.75

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Solution

The fourth proportional to 219,556.03, 329,444.70 and 86,531.75 is: 129,841.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,556.03 : 329,444.70 = 86,531.75 : x
  2. Step 2: Convert to fraction form
    219,556.03/329,444.70 = 86,531.75/x
  3. Step 3: Cross multiply
    219,556.03x = 329,444.70 × 86,531.75
  4. Step 4: Simplify right side
    219,556.03x = 28,507,426,419.23
  5. Step 5: Solve for x
    x = 28,507,426,419.23/219,556.03
  6. Step 6: Final answer
    x = 129,841.24

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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.