Home / 160,958.96-222,120.24-89,339.84

Finding the Fourth Proportional to 160,958.96, 222,120.24 and 89,339.84

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Solution

The fourth proportional to 160,958.96, 222,120.24 and 89,339.84 is: 123,287.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,958.96 : 222,120.24 = 89,339.84 : x
  2. Step 2: Convert to fraction form
    160,958.96/222,120.24 = 89,339.84/x
  3. Step 3: Cross multiply
    160,958.96x = 222,120.24 × 89,339.84
  4. Step 4: Simplify right side
    160,958.96x = 19,844,186,702.36
  5. Step 5: Solve for x
    x = 19,844,186,702.36/160,958.96
  6. Step 6: Final answer
    x = 123,287.24

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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.