Home / 161,359.61-222,673.10-89,738.09

Finding the Fourth Proportional to 161,359.61, 222,673.10 and 89,738.09

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Solution

The fourth proportional to 161,359.61, 222,673.10 and 89,738.09 is: 123,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,359.61 : 222,673.10 = 89,738.09 : x
  2. Step 2: Convert to fraction form
    161,359.61/222,673.10 = 89,738.09/x
  3. Step 3: Cross multiply
    161,359.61x = 222,673.10 × 89,738.09
  4. Step 4: Simplify right side
    161,359.61x = 19,982,259,718.66
  5. Step 5: Solve for x
    x = 19,982,259,718.66/161,359.61
  6. Step 6: Final answer
    x = 123,836.81

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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.