Home / 646,126.18-969,189.04-172,799.25

Finding the Fourth Proportional to 646,126.18, 969,189.04 and 172,799.25

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Solution

The fourth proportional to 646,126.18, 969,189.04 and 172,799.25 is: 259,198.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,126.18 : 969,189.04 = 172,799.25 : x
  2. Step 2: Convert to fraction form
    646,126.18/969,189.04 = 172,799.25/x
  3. Step 3: Cross multiply
    646,126.18x = 969,189.04 × 172,799.25
  4. Step 4: Simplify right side
    646,126.18x = 167,475,139,220.22
  5. Step 5: Solve for x
    x = 167,475,139,220.22/646,126.18
  6. Step 6: Final answer
    x = 259,198.81

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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.