Home / 252,011.39-378,175.32-102,252.29

Finding the Fourth Proportional to 252,011.39, 378,175.32 and 102,252.29

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Solution

The fourth proportional to 252,011.39, 378,175.32 and 102,252.29 is: 153,442.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,011.39 : 378,175.32 = 102,252.29 : x
  2. Step 2: Convert to fraction form
    252,011.39/378,175.32 = 102,252.29/x
  3. Step 3: Cross multiply
    252,011.39x = 378,175.32 × 102,252.29
  4. Step 4: Simplify right side
    252,011.39x = 38,669,290,600.61
  5. Step 5: Solve for x
    x = 38,669,290,600.61/252,011.39
  6. Step 6: Final answer
    x = 153,442.63

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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.