Home / 115,219.68-172,770.48-52,836

Finding the Fourth Proportional to 115,219.68, 172,770.48 and 52,836

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Solution

The fourth proportional to 115,219.68, 172,770.48 and 52,836 is: 79,226.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,219.68 : 172,770.48 = 52,836 : x
  2. Step 2: Convert to fraction form
    115,219.68/172,770.48 = 52,836/x
  3. Step 3: Cross multiply
    115,219.68x = 172,770.48 × 52,836
  4. Step 4: Simplify right side
    115,219.68x = 9,128,501,081.28
  5. Step 5: Solve for x
    x = 9,128,501,081.28/115,219.68
  6. Step 6: Final answer
    x = 79,226.93

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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.