Home / 150,652.25-207,899.52-82,670.36

Finding the Fourth Proportional to 150,652.25, 207,899.52 and 82,670.36

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Solution

The fourth proportional to 150,652.25, 207,899.52 and 82,670.36 is: 114,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,652.25 : 207,899.52 = 82,670.36 : x
  2. Step 2: Convert to fraction form
    150,652.25/207,899.52 = 82,670.36/x
  3. Step 3: Cross multiply
    150,652.25x = 207,899.52 × 82,670.36
  4. Step 4: Simplify right side
    150,652.25x = 17,187,128,162.23
  5. Step 5: Solve for x
    x = 17,187,128,162.23/150,652.25
  6. Step 6: Final answer
    x = 114,084.78

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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.