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Finding the Fourth Proportional to 160,955.88, 222,101.10 and 89,338.92

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Solution

The fourth proportional to 160,955.88, 222,101.10 and 89,338.92 is: 123,277.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,955.88 : 222,101.10 = 89,338.92 : x
  2. Step 2: Convert to fraction form
    160,955.88/222,101.10 = 89,338.92/x
  3. Step 3: Cross multiply
    160,955.88x = 222,101.10 × 89,338.92
  4. Step 4: Simplify right side
    160,955.88x = 19,842,272,404.81
  5. Step 5: Solve for x
    x = 19,842,272,404.81/160,955.88
  6. Step 6: Final answer
    x = 123,277.71

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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.