Home / 252,973.62-379,418.85-90,834.10

Finding the Fourth Proportional to 252,973.62, 379,418.85 and 90,834.10

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Solution

The fourth proportional to 252,973.62, 379,418.85 and 90,834.10 is: 136,236.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,973.62 : 379,418.85 = 90,834.10 : x
  2. Step 2: Convert to fraction form
    252,973.62/379,418.85 = 90,834.10/x
  3. Step 3: Cross multiply
    252,973.62x = 379,418.85 × 90,834.10
  4. Step 4: Simplify right side
    252,973.62x = 34,464,168,814.24
  5. Step 5: Solve for x
    x = 34,464,168,814.24/252,973.62
  6. Step 6: Final answer
    x = 136,236.22

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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.