Home / 161,371.67-222,700.79-89,750.16

Finding the Fourth Proportional to 161,371.67, 222,700.79 and 89,750.16

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Solution

The fourth proportional to 161,371.67, 222,700.79 and 89,750.16 is: 123,859.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,371.67 : 222,700.79 = 89,750.16 : x
  2. Step 2: Convert to fraction form
    161,371.67/222,700.79 = 89,750.16/x
  3. Step 3: Cross multiply
    161,371.67x = 222,700.79 × 89,750.16
  4. Step 4: Simplify right side
    161,371.67x = 19,987,431,759.00
  5. Step 5: Solve for x
    x = 19,987,431,759.00/161,371.67
  6. Step 6: Final answer
    x = 123,859.61

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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.