Home / 209,172.24-313,755.60-51,402.08

Finding the Fourth Proportional to 209,172.24, 313,755.60 and 51,402.08

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Solution

The fourth proportional to 209,172.24, 313,755.60 and 51,402.08 is: 77,102.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,172.24 : 313,755.60 = 51,402.08 : x
  2. Step 2: Convert to fraction form
    209,172.24/313,755.60 = 51,402.08/x
  3. Step 3: Cross multiply
    209,172.24x = 313,755.60 × 51,402.08
  4. Step 4: Simplify right side
    209,172.24x = 16,127,690,451.65
  5. Step 5: Solve for x
    x = 16,127,690,451.65/209,172.24
  6. Step 6: Final answer
    x = 77,102.44

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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.