Home / 161,076.94-222,266.04-89,447.20

Finding the Fourth Proportional to 161,076.94, 222,266.04 and 89,447.20

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Solution

The fourth proportional to 161,076.94, 222,266.04 and 89,447.20 is: 123,425.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,076.94 : 222,266.04 = 89,447.20 : x
  2. Step 2: Convert to fraction form
    161,076.94/222,266.04 = 89,447.20/x
  3. Step 3: Cross multiply
    161,076.94x = 222,266.04 × 89,447.20
  4. Step 4: Simplify right side
    161,076.94x = 19,881,074,933.09
  5. Step 5: Solve for x
    x = 19,881,074,933.09/161,076.94
  6. Step 6: Final answer
    x = 123,425.95

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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.