Home / 160,960.56-222,115.14-89,340.60

Finding the Fourth Proportional to 160,960.56, 222,115.14 and 89,340.60

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Solution

The fourth proportional to 160,960.56, 222,115.14 and 89,340.60 is: 123,284.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,960.56 : 222,115.14 = 89,340.60 : x
  2. Step 2: Convert to fraction form
    160,960.56/222,115.14 = 89,340.60/x
  3. Step 3: Cross multiply
    160,960.56x = 222,115.14 × 89,340.60
  4. Step 4: Simplify right side
    160,960.56x = 19,843,899,876.68
  5. Step 5: Solve for x
    x = 19,843,899,876.68/160,960.56
  6. Step 6: Final answer
    x = 123,284.24

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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.