Home / 152,272.30-228,455.16-68,103.26

Finding the Fourth Proportional to 152,272.30, 228,455.16 and 68,103.26

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Solution

The fourth proportional to 152,272.30, 228,455.16 and 68,103.26 is: 102,175.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,272.30 : 228,455.16 = 68,103.26 : x
  2. Step 2: Convert to fraction form
    152,272.30/228,455.16 = 68,103.26/x
  3. Step 3: Cross multiply
    152,272.30x = 228,455.16 × 68,103.26
  4. Step 4: Simplify right side
    152,272.30x = 15,558,541,159.82
  5. Step 5: Solve for x
    x = 15,558,541,159.82/152,272.30
  6. Step 6: Final answer
    x = 102,175.78

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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.