Home / 150,001.12-207,001.48-82,018.44

Finding the Fourth Proportional to 150,001.12, 207,001.48 and 82,018.44

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Solution

The fourth proportional to 150,001.12, 207,001.48 and 82,018.44 is: 113,185.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,001.12 : 207,001.48 = 82,018.44 : x
  2. Step 2: Convert to fraction form
    150,001.12/207,001.48 = 82,018.44/x
  3. Step 3: Cross multiply
    150,001.12x = 207,001.48 × 82,018.44
  4. Step 4: Simplify right side
    150,001.12x = 16,977,938,467.29
  5. Step 5: Solve for x
    x = 16,977,938,467.29/150,001.12
  6. Step 6: Final answer
    x = 113,185.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.