Home / 172,802.24-259,105.70-71,543.03

Finding the Fourth Proportional to 172,802.24, 259,105.70 and 71,543.03

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Solution

The fourth proportional to 172,802.24, 259,105.70 and 71,543.03 is: 107,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,802.24 : 259,105.70 = 71,543.03 : x
  2. Step 2: Convert to fraction form
    172,802.24/259,105.70 = 71,543.03/x
  3. Step 3: Cross multiply
    172,802.24x = 259,105.70 × 71,543.03
  4. Step 4: Simplify right side
    172,802.24x = 18,537,205,751.60
  5. Step 5: Solve for x
    x = 18,537,205,751.60/172,802.24
  6. Step 6: Final answer
    x = 107,274.10

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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.