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Finding the Fourth Proportional to 161,484.84, 222,850.56 and 89,867.88

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Solution

The fourth proportional to 161,484.84, 222,850.56 and 89,867.88 is: 124,018.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,484.84 : 222,850.56 = 89,867.88 : x
  2. Step 2: Convert to fraction form
    161,484.84/222,850.56 = 89,867.88/x
  3. Step 3: Cross multiply
    161,484.84x = 222,850.56 × 89,867.88
  4. Step 4: Simplify right side
    161,484.84x = 20,027,107,384.01
  5. Step 5: Solve for x
    x = 20,027,107,384.01/161,484.84
  6. Step 6: Final answer
    x = 124,018.50

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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.