Home / 161,175.78-241,698.06-72,405.44

Finding the Fourth Proportional to 161,175.78, 241,698.06 and 72,405.44

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Solution

The fourth proportional to 161,175.78, 241,698.06 and 72,405.44 is: 108,578.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,175.78 : 241,698.06 = 72,405.44 : x
  2. Step 2: Convert to fraction form
    161,175.78/241,698.06 = 72,405.44/x
  3. Step 3: Cross multiply
    161,175.78x = 241,698.06 × 72,405.44
  4. Step 4: Simplify right side
    161,175.78x = 17,500,254,381.45
  5. Step 5: Solve for x
    x = 17,500,254,381.45/161,175.78
  6. Step 6: Final answer
    x = 108,578.69

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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.